# Hidden Singer (South Korean TV series)

Hidden Singer (Korean: 히든 싱어; RR: Hideun Singeo) is a South Korean variety-music TV program broadcast on JTBC. The mechanics are a famous singer and several of their impersonators sing one measure of a song behind the blinds for four rounds. In the first three rounds, an audience of 100 people vote on the person who they think is not the real singer, the person with the most votes would be eliminated. In the final round, the audience votes on who they think is the real singer, the person with the most votes would win the episode. The program is hosted by Jun Hyun-moo.
After around three years of hiatus, since the fourth season's end, the program began its fifth season by airing a "comeback special" episode on June 10, 2018; the regular episodes air starting from June 17, 2018.
A sixth season has been confirmed after two years, starting with a "comeback special" episode that aired on July 31, 2020.
After two years of hiatus, the seventh season will air starting from August 19, 2022. This marks the program celebrating its tenth anniversary.

## Series overview

| Season | Host | Vocal trainer | Broadcast date | Total episodes |
| 1 | Jun Hyun-moo | Jo Hong-kyung | December 21, 2012 – December 28, 2012 | 2 (pilot) |
| 1 | Jun Hyun-moo | Jo Hong-kyung | March 16, 2013 – June 22, 2013 | 17 |
| 2 | Jun Hyun-moo | Jo Hong-kyung | October 12, 2013 – January 25, 2014 | 16 + 2 (special) |
| 3 | Jun Hyun-moo | Jo Hong-kyung | August 2, 2014 – December 6, 2014 | 17 + 2 (special) |
| 4 | Jun Hyun-moo | Jo Hong-kyung | October 3, 2015 – January 16, 2016 | 16 + 5 (special) |
| 5 | Jun Hyun-moo | Jang Woo-ram [ko] | June 17, 2018 – October 7, 2018 | 17 + 1 (special) |
| 6 | Jun Hyun-moo | Jang Woo-ram [ko] | July 31, 2020 – November 13, 2020 | 14 + 2 (special) |
| 7 | Jun Hyun-moo | Jang Woo-ram [ko] | August 19, 2022 – November 18, 2022 | 14 |

## Format

In each episode, one singer is the star of the episode, and in each round, he/she sings with impersonators a certain mission song in the hidden stage while the audience attempts to find the impersonators and the original singer. If the real singer is eliminated, they stay in the rounds until the end (albeit with null votes). In the end, if an impersonator wins the episode, he/she would receive 20 million won. If the real singer won the episode, the second-place impersonator would get 100,000 won times the number of votes they got in the final round.

### Round 1

The singer and five impersonators go in order (from #1-#6, though before, after, or in between individual parts, multiple or all singers can sing at once). At the end of the first half of the song, the 100-member audience votes on who they believe sounds least like the original singer, and the celebrity panel discusses their votes and thoughts on the real singer's position. When the results are revealed, the number of votes are shown for each person in order (there have been case where the votes are shown in reverse order), and the one with the highest number of votes is eliminated. If it is an impersonator, they introduce themself. In round 1, only the doors for the real singer and elimination are opened. As in three episodes so far, if the original singer is not in the hidden stage because six impersonators were chosen instead of five, there would be six impersonators in the next round (The real singer is said to be in "room number 7").

### Round 2

The remaining five (or six) sing half of the next song in the hidden stage (with their positions shuffled). After voting and discussion, the next half of the song is sung, but the doors are opened, and the impersonators faces are revealed. The elimination is then announced, and, if an impersonator is eliminated, he/she introduces themself.

### Round 3

The singer and three (or four) surviving impersonators sing the next song in the hidden stage, but the music does not stop. Instead, the audience votes during the interlude, and the impersonators' and singer's positions are revealed during the second half. During round 3, the surviving impersonators also introduce themselves. Each one has a nickname like (nickname)(singer's name). Nicknames are usually qualities (like "Handsome Man Nam Jin"), places of origin (like "Jinju Kim Kyung-ho"), song titles that are relevant to their backstory as a fan (like "On The Street Kim Kwang-seok"), occupations (like "Welder Im Chang-jung"), or even puns ("Who Shin Ji/누구 신지" is a pun on the phrase "Nugushinji" which translates to "Who is it") though there can be other types. The impersonators can be celebrities, foreigners, and both male and female regardless of the singer's gender. Around this time, a medley of the singer's songs (that are not mission songs) or a special performance are sung by members of the panel and the impersonators. At the end of round 3, the elimination is announced.

### Round 4

The round 4 performance works the same as round 3. The singer and two (or three) surviving impersonators sing the final song in the hidden stage, but the music does not stop. Instead, the audience votes during the interlude on who they think the real singer is. After the votes are cast, the impersonators' and singer's positions are revealed during the second half. After the song the third place is announced, and then the winner (As a running gag, in most episodes, right before the winner is announced, the host says "Cue commercial!" generally causing an uproar). The last surviving impersonator wins money depending on what place they ranked and how many votes they got. This impersonator also gets to go to the end-of-season King of Kings championship. Sometimes, if there is a tie for two impersonators as runner-ups, both impersonators will receive prize money and participate in the championship. If the singer was eliminated prior to announcing the winner, the singer will announce the winner of the episode in place of the host. In Seasons 4-5, an extra prize of a travel voucher was given, and in Seasons 6-7, due to COVID, this was changed to a Korean meat set. Sometimes at the end, an encore is sung by the impersonators and the singer.

### Covid-19 voting changes

In the latter half of Season 6, due to the Covid-19 pandemic, the voting system changed temporarily. Only the panel of celebrities would be present, and live viewers could vote online when possible during the livestream. This led to some controversy as people speculated it could be rigged/manipulated.

### King of Kings Championship

The King of Kings Championship is the season finale (usually) where all the winning impersonators compete against each other. For the first four seasons, the champions would be divided into Groups A, B, and C. Each singer would sing half of a song behind the door, and the 300-member audience would vote zero if they thought the singer was good. They would open the door, and the champion would sing the next half of the song. After all singers in a group had sung, the scores would be revealed (generally one or two digits at a time), and whoever had the most votes would move to the finals. If two champions tied for the most votes, they both would advance. In the finals, each singer sings like in the qualifiers, except that from Season 2 onwards, the finals were broadcast live, with hundreds of thousands of voters. The winner would get money and a special prize (like an expensive car) In Seasons 3 and 4, between the qualifiers and the finals, viewers could vote for a "wildcard" who would go to the finals as a fourth member. In Season 5, the format changed, where each singer would perform one by one, and the score out of 300 would be revealed before the next performer. The top three out of the twelve would with money and prizes. In Season 6, the format changed again, where instead of voting zero, each voter out of 200 would rate the singer from 1 to 10 (2000 possible points) after each performance, the panel's votes (out of 300 points) were revealed after each stage, and the total votes for each person were revealed at the end. In Season 7, the format is the same as the previous season except the panel's votes were out of 250 points instead. In Seasons 1 and 7, midway through the performances, a "re-challenge" would happen, where a singer and his five impersonators would go through a normal round-style performance, and the audience's votes were revealed at the end. At or near the end, there is usually a special performance featuring all of the impersonators or a special guest singer.

### Doppel-Singer Music Festival

This event has happened twice in Hidden Singer history. Eight teams, each consisting of one singer and one impersonator who was a participant in the King of Kings Championship. Each team has two performances, the one where half is in a special two-room hidden stage, and the other half after the doors open and their positions are revealed. The audience and the other seven teams are challenged to find, the real singer. The second performance is the team alternating parts of a different song on the stage. After all eight teams have performed, the audience votes for their favorite team, and the winner is declared "Best Couple".

### Other special episodes

Before some seasons, a special episode would air with the host and panel, featuring a collection of the best past performances, or the lineup prediction for the following season. The first and seventh seasons are the only ones to not have such an episode. In the fifth and sixth seasons, these were "Comeback Specials" and they featured highlights of the previous seasons as well as hearing quizzes, where six audio clips of songs would play, and the panel would guess which one was a real singer singing. The other five were impersonators. Hearing quizzes also happened during the Season 4 Doppel-Singer Music Festival and the Season 6 King of Kings Championship. At the end of Season 3, a special "All Three Seasons King of Kings Championship" was broadcast live. It worked similar to a Championship Final, expect there were ten contestants (the finalists from the past three seasons, except Kwak Dong-hyun). A special performance featuring the majority of champions from the three seasons appeared at the end. In the middle of Season 6, a Special Live Broadcast Quiz aired, which included a hearing quiz and a lineup prediction for the second half of Season 6.

## Season 1
### Regular episodes

| Episode # | Air Date | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Round 4 | Round 4 | Round 4 |
| Episode # | Air Date | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Third place | Runner-up | Winner |
| 1 (Pilot) | December 21, 2012 | Lena Park | Yoo Young-seok [ko], Lee Yoon-seok [ko], Jang Dong-hyuk [ko], Solbi, Onew (Shinee), She'z | R1: "I'll Write You a Letter" (편지할게요) R2: "I Hope It Would Be That Way Now" (이젠 그랬으면 좋겠네) R3: "My Day" (나의 하루) R4: "In the Dream" (꿈에) | Im Ji-soo | Park Seul-gi [ko] | Cheon Ga-yeon | Kim Ji-seon | Oh Ha-neul | Lena Park |
| 2 (Pilot) | December 28, 2012 | Kim Kyung-ho | Joo Young-hoon, Kim Young-chul, Son Ho-young (g.o.d), Solbi, Girl's Day (Sojin, Minah) | R1: "People Who Make Me Sorrow" (나를 슬프게 하는 사람들) R2: "Even Though I Loved" (사랑했지만) R3: "Forbidden Love" (금지된 사랑) R4: "Heartless" (비정) | Kim Hyun-cheol | Seol Min-ji (Female) | Lee Jae-yoon | Woo Hyung-gi | Kwak Dong-hyun | Kim Kyung-ho |
| 3 | March 16, 2013 | Sung Si-kyung | Yoon Jong-shin, Bae Ki-sung (CAN), Jang Dong-hyuk [ko], Solbi, f(x) (Victoria, Amber), VIXX, Kwak Dong-hyun | R1: "The Road to Me" (내게 오는 길) R2: "You Touched My Heart" (넌 감동이었어 ) R3: "We Make a Good Pair" (우린 제법 잘 어울려요) R4: "On the Street" (거리에서) | Jang Jae-ho | Go Hong-seok | Kim Gi-hyun | Park Sung-soo | Park Ji-hoon | Sung Si-kyung |
| 4 | March 23, 2013 | Jo Kwanwoo | Jo Tong-dal, Geum Bo-ra, Joo Young-hoon, Solbi, CNBLUE (Jung Yong-hwa, Lee Jung-shin) | R1: "Flower Garden" (꽃밭에서) R2: "Swamp" (늪) R3: "If I Leave" (나 가거든) R4: "Because I Love You" (사랑했으므로) | Jo Hwi | Ji Seo-ryun | Lee Cheol-hee | Lee Won-seok | Kang Nam-soon | Jo Kwanwoo |
| 5 | March 30, 2013 | Lee Soo-young | Yoo Young-seok [ko], Danny Ahn (g.o.d), Lee Ki-chan, Jang Dong-hyuk [ko], Solbi, ZE:A (Kevin, Dongjun) | R1: "I Believe" R2: "Grace" R3: "Fate" (인연) R4: "Whistle to Me" (휠릴리) | Choi Joo-ri | Kim Yu-jeong | Ha Eun-ji | Kim Jae-seon (Male) | Woo Yeon-soo | Lee Soo-young |
| 6 | April 6, 2013 | Kim Jong-seo | Bang Eun-hee, Kim Kyung-ho, Danny Ahn (g.o.d), Jang Dong-hyuk [ko], Kim Jeong-min [ko], Sistar (Soyou, Dasom) | R1: "You Who Do Not Answer" (대답 없는 너) R2: "Beautiful Restriction" (아름다운 구속) R3: "Winter Rain" (겨울비) R4: "I Don't Know Yet" (지금은 알 수 없어) | Jung Geun-young | Lee Woong-hee | Choi Hyun-moo | Park Sang-woo | Lee Hyun-hak | Kim Jong-seo |
| 7 | April 13, 2013 | Bobby Kim | Kim Sung-ryung, Lee Se-joon (Yurisangja), Eun Ji-won (Sechs Kies), Danny Ahn (g.o.d), Jang Dong-hyuk [ko], Ailee, Han Groo Special: Buga Kingz [ko] | R1: "Falling in Love Again" (고래의 꿈) R2: "An Alley" (골목길) R3: "Tic Tac Toe" R4: "Love..That Guy" (사랑..그놈) | Ji Min-wook | Kim Soo-bin | Ahn Joon-yong | Hong Woo-jin | Paul Song | Bobby Kim |
| 8 | April 20, 2013 | Jang Yun-jeong | Sunwoo Yong-nyeo, Joo Young-hoon, Lee Seon-jin [ko], Jang Dong-hyuk [ko], Solbi, Wink, MBLAQ (Seungho, Mir) | R1: "Oh My Goodness" (어머나) R2: "Flower" (꽃) R3: "Ollae" (올래) R4: "Evocation" (초혼) | Kim Jeong-won | Kim Seo-young | Lila | Kim Seon-myung | Oh Ye-joong | Jang Yun-jeong |
| 9 | April 27, 2013 | Park Sang-min | Park Seung-hwa (Yurisangja), Jang Dong-hyuk [ko], Lee Jung, Kim Ji-min, Kim Jeong-min [ko], INFINITE (Dongwoo, Woohyun, Sungyeol) | R1: "One Love" (하나의 사랑) R2: "Sunflower" (해바라기) R3: "A Farewell to Arms" (무기여 잘있거라) R4: "My Love in Distant Memory" (멀어져 간 사람아) | Hanbyul | Lee Sang-won | Ahn Yoon-sang [ko] | Jeon Dae-won | Kim Young-hyun | Park Sang-min |
| 10 | May 4, 2013 | Baek Ji-young | Joo Young-hoon, Kim Chang-ryeol (DJ DOC), Jang Dong-hyuk [ko], Solbi, Huh Gak, Shin Bo-ra, B1A4 (Sandeul, Baro) | R1: "I Won't Love" (사랑 안해) R2: "Don't Forget" (잊지 말아요) R3: "Dash" R4: "Like Being Hit by a Bullet" (총 맞은 것처럼) | Na Young-joo | Sook Haeng [ko] | Kim Song-yi | Kang Min-kyung | Park Hae-young | Baek Ji-young |
| 11 | May 11, 2013 | Kim Jong-kook | Joo Young-hoon, Hong Seok-cheon, Jang Dong-hyuk [ko], Kim Jong-min (Koyote), Kim Jeong-min [ko], After School (Jooyeon, Raina, Nana) | R1: "December" (회상) R2: "Walking in One Spot" (제자리 걸음) R3: "Loveable" (사랑스러워) R4: "One Man" (한 남자) | Ham Yoo-sung | Seo Joon-gyo | K.Will | Yoo Young-min | Kim Byung-soo | Kim Jong-kook |
| 12 | May 18, 2013 | Lee Moon-se | Park Hae-mi, Lee Se-joon (Yurisangja), Park Kyung-lim, Jang Dong-hyuk [ko], Solbi, Shinee, Michelle Lee, Stellar | R1: "Gwanghwamun Love Song" (광화문 연가) R2: "Flying in the Deep Night" (깊은 밤을 날아서) R3: "Sunset Glow" (붉은 노을) R4: "Old Love" (옛 사랑) | Hwang Young-hoon | Bae Ki-sung | Kim Tae-geuk | Kim Jeong-hoon | Ahn Woong-gi | Lee Moon-se |
| 13 | May 25, 2013 | Yoon Min-soo (Vibe) | Lee Han-wi, Bang Eun-hee, Kim Sook, Jang Dong-hyuk [ko], Ryu Jae-hyun (Vibe), Jang Sung-kyu, Solbi, Shindong (Super Junior), Dal Shabet (Subin, Serri, Ah Young) Special: Yoo Seul-gi, Kang Min-kyung (Davichi) | R1: "Love Me Once Again" (미워도 다시 한 번) R2: "Drinking" (술이야) R3: "That Man, That Woman" (그 남자 그 여자) R4: "Comeback Again" (다시 와주라) | Jo Sung-beom | Hwang Gil-seon | Park Sang-moon | Choi In-sik | Kim Sung-wook | Yoon Min-soo |
| 14 | June 1, 2013 | Kim Gun-mo | Kim Heung-gook, Joo Young-hoon, Lee Soo-geun, Kim Joon-hee [ko], Jang Dong-hyuk [ko], Jang Sung-kyu, Kim Jeong-min [ko], Secret, Stellar (Gayoung, Hyoeun) | R1: "First Impression" (첫 인상) R2: "Love is Gone" (사랑이 떠나가네) R3: "Moon of Seoul" (서울의 달) R4: "Excuse" (핑계) + "Woman in the Rain" (빗속의 여인) + "A Bird Flew Over the Cuckoo's Nest" (뻐꾸기 둥지 위로 날아간 새) | Yoo Sung-hee | Kim Jin-wook | Shin Young-gwang | Kim Sung-hoon | Choi Dong-hwan | Kim Gun-mo |
| 15 | June 8, 2013 | Legend of Hidden Singer Highlights | Legend of Hidden Singer Highlights | Legend of Hidden Singer Highlights | Legend of Hidden Singer Highlights | Legend of Hidden Singer Highlights | Legend of Hidden Singer Highlights | Legend of Hidden Singer Highlights | Legend of Hidden Singer Highlights | Legend of Hidden Singer Highlights |

#### Episode 15 (Highlights)

* Best 7 Performances
** 1. (Lena Park's part) – "I'll Write You A Letter" (편지할게요)
** 2. (Kim Jong-seo's part) – "Beautiful Restriction" (아름다운 구속)
** 3. (Lee Soo-young's part) – "Grace"
** 4. (Park Sang-min's part) – "A Farewell to Arms" (무기여 잘 있거라)
** 5. (Kim Jong-kook's part) – "Walking in One Spot" (제자리걸음)
** 6. (Lee Moon-se's part) – "Flying in the Deep Night" (깊은 밤을 날아서)
** 7. (Yoon Min-soo's part) – "Comeback Again" (다시 와주라)
* Special Voice Imitation Skills
** ""Pretty Man Kim Jong-seo" Park Sang-woo (Kim Jong-seo's part)
** "18-year-old Jang Yun-jeong" Lila (Jang Yun-jeong's part)
** "Invitation Singer Kim Gun-mo" Choi Dong-hwan (Kim Gun-mo's part)
** "Lee Moon-se's Voice Doppelganger" Ahn Woong-gi (Lee Moon-se's part)
** "Celebrity Voice Imitation Terminator" Ahn Yoon-sang (Park Sang-min's part)
** "Musician's Voice Imitation King" K.Will (Kim Jong-kook's part)
* Best 5 Participants
** 1. "Little Lena Park" Oh Ha-neul (Lena Park's part)
** 2. "Jinju Kim Kyung-ho" Kwak Dong-hyun (Kim Kyung-ho's part)
** 3. "Male Lee Soo-young" Kim Jae-seon (Lee Soo-young's part)
** 4. "Broadcasting Screenwriter Jang Yun-jeong" Kim Seon-myung (Jang Yun-jeong's part)
** 5. "Meat Restaurant Lee Moon-se" Kim Jeong-hoon (Lee Moon-se's part)

### King of Kings' Challenge

| Episode # | Air date | Panel | Panel | Participants | Participants | Participants |
| 16–17 | June 15, 2013 – June 22, 2013 | Kim Kyung-ho, Solbi, Jang Dong-hyuk [ko], Tae Jin-ah, T-ara, Joo Young-hoon, Park Sang-min, Park Eun-ji, Lee Soo-young, Jo Kwan-woo, Dongjun (ZE:A), Kyungri (Nine Muses) Special: Jeon Dae-won, Ahn Yoon-sang [ko] | Kim Kyung-ho, Solbi, Jang Dong-hyuk [ko], Tae Jin-ah, T-ara, Joo Young-hoon, Park Sang-min, Park Eun-ji, Lee Soo-young, Jo Kwan-woo, Dongjun (ZE:A), Kyungri (Nine Muses) Special: Jeon Dae-won, Ahn Yoon-sang [ko] | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) |
| Group A ||||||
| 16–17 | Stage # | Participant | Singer | Song | Votes (out of 300) | Rank |
| 16–17 | 1 | Kwak Dong-hyun | Kim Kyung-ho | "Heartless" (비정) | 233 | 1 |
| 16–17 | 2 | Kim Young-hyun | Park Sang-min | "One Love" (하나의 사랑) | 79 | 5 |
| 16–17 | 3 | Choi Dong-hwan | Kim Gun-mo | "A Bird Flew Over the Cuckoo's Nest" (뻐꾸기 둥지 위로 날아간 새) | 216 | 2 |
| 16–17 | 4 | Oh Ha-neul | Lena Park | "I'll Write You A Letter" (편지할게요) | 135 | 4 |
| 16–17 | 5 | Kang Nam-soon | Jo Kwan-woo | "Swamp" (늪) | 138 | 3 |
| Park Sang-min's re-challenge ||||||
| 16–17 | Room # | Singer & Participant | Singer & Participant | Song | Vote (out of 264) | Vote (out of 264) |
| 16–17 | 1 | Jeon Dae-won | Jeon Dae-won | "A Farewell to Arms" (무기여 잘있거라) | 42 | 42 |
| 16–17 | 2 | Park Sang-min | Park Sang-min | "A Farewell to Arms" (무기여 잘있거라) | 79 | 79 |
| 16–17 | 3 | Kim Young-hyun | Kim Young-hyun | "A Farewell to Arms" (무기여 잘있거라) | 125 | 125 |
| 16–17 | 4 | Ahn Yoon-sang [ko] | Ahn Yoon-sang [ko] | "A Farewell to Arms" (무기여 잘있거라) | 15 | 15 |
| 16–17 | Stage # | Participant | Singer | Song | Votes (out of 300) | Rank |
| Group B ||||||
| 16–17 | 1 | Kim Byung-soo | Kim Jong-kook | "One Man" (한 남자) | 64 | 5 |
| 16–17 | 2 | Ahn Woong-gi | Lee Moon-se | "Old Love" (옛 사랑) | 242 | 1 |
| 16–17 | 3 | Park Hae-young | Baek Ji-young | "I Won't Love" (사랑 안해) | 112 | 4 |
| 16–17 | 4 | Lee Hyun-hak | Kim Jong-seo | "Beautiful Restriction" (아름다운 구속) | 191 | 3 |
| 16–17 | 5 | Paul Song | Bobby Kim | "Tic Tac Toe" | 239 | 2 |
| Group C ||||||
| 16–17 | 1 | Woo Yeon-soo | Lee Soo-young | "Grace" | 223 | 1 |
| 16–17 | 2 | Kim Sung-wook | Yoon Min-soo | "Piled Up with Longing" (그리움만 쌓이네) | 223 | 1 |
| 16–17 | 3 | Park Ji-hoon | Sung Si-kyung | "We Make a Good Pair" (우린 제법 잘 어울려요) | 166 | 3 |
| 16–17 | 4 | Oh Ye-joong | Jang Yun-jeong | "Evocation" (초혼) | 144 | 4 |
| Final ||||||
| 16–17 | Stage # | Participant | Singer | Song | Votes (/300) | Rank |
| 16–17 | 1 | (Group A) Kwak Dong-hyun's highlight video | (Group A) Kwak Dong-hyun's highlight video | (Group A) Kwak Dong-hyun's highlight video | 31 | Fourth place |
| 16–17 | 2 | (Group B) Ahn Woong-gi's highlight video | (Group B) Ahn Woong-gi's highlight video | (Group B) Ahn Woong-gi's highlight video | 157 | Winner |
| 16–17 | 3 | (Group C) Woo Yeon-soo's highlight video | (Group C) Woo Yeon-soo's highlight video | (Group C) Woo Yeon-soo's highlight video | 45 | Third place |
| 16–17 | 4 | (Group C) Kim Sung-wook's highlight video | (Group C) Kim Sung-wook's highlight video | (Group C) Kim Sung-wook's highlight video | 51 | Runner-up |
| Choral of 14 participants: "A Goose's Dream" (거위의 꿈; Carnival [ko]) ||||||

## Season 2
### Special episodes
#### Hidden Singer 2 D-14 (aired on September 28, 2013)

* Season 1's Best 5 "Want to See Again"
** 1. Lena Park's round 1
** 2. Lee Soo-young's round 2
** 3. Kim Jong-kook's round 2
** 4. Lee Moon-se's round 2
** 5. Yoon Min-soo's round 4
* Best 5 Participants
** 1. "Little Lena Park" Oh Ha-neul
** 2. "Jinju Kim Kyung-ho" Kwak Dong-hyun
** 3. "Male Lee Soo-young" Kim Jae-seon
** 4. "Broadcasting Screenwriter Jang Yun-jeong" Kim Seon-myung
** 5. "Meat Restaurant Lee Moon-se" Kim Jeong-hoon
* Season 1: King of Kings' Challenge's Best Performances
** 1. Kwak Dong-hyun – "Heartless" (비정)
** 2. Ahn Woong-gi – "Old Love" (옛 사랑)
** 3. Kim Sung-wook – "Piled Up with Longing" (그리움만 쌓이네)
** 4. Choral of 14 participants – "A Goose's Dream" (거위의 꿈)

#### Hidden Singer 2 D-7 (aired on October 5, 2013)

* Cast
** MC: Jun Hyun-moo, Park Ji-yoon
** Panel: Joo Young-hoon, Kang Yong-suk, Kim Kyung-ho, Park Hae-mi, Jang Dong-hyuk [ko], Solbi, Muzie [ko]
** Participant: Oh Ha-neul, Kwak Dong-hyun, Kang Nam-soon, Woo Yeon-soo, Lee Hyun-hak, Paul Song, Oh Ye-joong, Kim Young-hyun, Park Hae-young, Kim Byung-soo, Ahn Woong-gi, Kim Sung-wook, Choi Dong-hwan
* Ssulzun in Hidden Singer
** Season 2's line-up prediction: Kim Bum-soo, Nam Jin, Park Hyo-shin, Byun Jin-sub, BoA, Shin Seung-hun, IU, Yang Hee-eun, Yoon Do-hyun, Lee So-ra, Lee Seung-chul, Lee Seung-hwan, Lee Sun-hee, Lee Juck, Yim Jae-beom, Im Chang-jung, Jo Sung-mo, Cho Yong-pil, Joo Hyun-mi, Wheesung

### Regular episodes

| Episode # | Air Date | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Round 4 | Round 4 | Round 4 |
| Episode # | Air Date | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Third place | Runner-up | Winner |
| 1 | October 12, 2013 | Im Chang-jung | Joo Young-hoon, Kim Sung-ryung, Park Hyo-joo, Kim Sung-soo, Kim Chang-yeol (DJ Doc), Solbi, Hwang Kwanghee, 2Eyes | R1: "It Looks Like You" (날 닮은 너) R2: "Gone with the Wind" (바람과 함께 사라지다) R3: "Again" (그때 또 다시) R4: "A Shot of Soju" (소주 한 잔) | So Won | Huh Gak, Kim Bit-na-la, | Lee Jae-eon | Kim Dae-san | Jo Hyun-min | Im Chang-jung |
| 2 | October 19, 2013 | Shin Seung-hun | Kim Kyung-ho, Park So-hyun, Kang Yong-suk, Kang In-joon, Solbi, Han Groo, Luna (f(x)), Dana (The Grace), Don Spike, Jang Dong-hyuk [ko] | R1: "I Believe" R2: "As the First Feeling" (처음 그 느낌처럼) R3: "Your Smile in My Memory" (미소 속에 비친 그대) R4: "Invisible Love" (보이지 않는 사랑) | Shin Dong-hwan | Baek Gi-soo | Han Kyung-il [ko] | Lee Hyun-kyung | Shin Seung-hun | Jang Jin-ho |
| 3 | October 26, 2013 | Jo Sung-mo | Joo Young-hoon, Noh Sa-yeon, Ryu Tae-joon, Shin Ji (Koyote), Solbi, MayBee, T-ara (Eunjung, Hyomin) | R1: "Do You Know" (아시나요) R2: "To Heaven" R3: "By Your Side" (너의 곁으로) R4: "For Your Soul" (슬픈 영혼식) | Park Sang-woo | Jo Sung-mo | Kim Joo-han, Oh Hyun-taek | — | Oh Joong-hwan | Im Sung-hyun |
| 4 | November 2, 2013 | Kim Bum-soo | Joo Young-hoon, Yoon Il-sang, Hyun Mi [ko], Kim Jeong-min [ko], Lee Eun-hee [ko], Jo Hye-young [ko], Lady Jane, Ladies' Code, Pure (Black Jimin, Pink Chanhwee, Yellow Younghoo) | R1: "Once Upon a Day" (하루) R2: "Appear" (나타나) R3: "I Miss You" (보고 싶다) R4: "Last Love" (끝사랑) | Nam Hoon-woo | Kim Joo-wan | Lee Beom-sik | Kim Chang-hoon | Jeon Cheol-min | Kim Bum-soo |
| 5 | November 9, 2013 | Joo Hyun-mi | Joo Young-hoon, Lee Bong-won [ko], Solbi, Hong Jin-young, Han Young [ko], Haha, Mino [ko], Danny Ahn (g.o.d), 2Eyes (Hyangsook, Dasom, Daeun) | R1: "The Man in Sinsa-dong" (신사동 그 사람) R2: "Unrequited Love" (짝사랑) R3: "Tears of the Bruce" (눈물의 부르스) R4: "Rainy Youngdong Bridge" (비 내리는 영동교) | Min Hye-young | Park Ae-hwa | Bae Ah-hyun | Han Soo-young | Choi Yoo-kyung | Joo Hyun-mi |
| 6 | November 16, 2013 | Yoon Do-hyun | Kim Kyung-ho, Lee Soo-young, Kim Jeong-min [ko], Sojin (Girl's Day), Shinee (Jonghyun, Key, Taemin), Jang Dong-hyuk [ko] | R1: "After Sending You" (너를 보내고) R2: "A Flying Butterfly" (나는 나비) R3: "I'll Forget You" (잊을께) R4: "Love Two" (사랑 Two) | Jo Jae-il | Yoo Ho-jin | Seo Jeong-yong | Jang Ji-won | Jo Yool | Yoon Do-hyun |
| 7 | November 23, 2013 | IU | Yoo Young-seok [ko], Solbi, Jo Gap-kyung [ko], Hong Seok-hee, Kang Sung-jin, Lee Hyun-young [ko], Chun Myung-hoon, Byun Gi-soo [ko], BIGSTAR | R1: "Boo" R2: "Good Day" (좋은 날) R3: "You and I" (너랑 나) R4: "Only I Didn't Know" (나만 몰랐던 이야기) | Jeon Ah-hyun | Anna | Kim Mi-hyun | — | Kim Yeon-joon, Shannon | IU |
| 8 | November 30, 2013 | Nam Jin | Kim Kyung-ho, Park Hae-mi, Park Hyun-bin, Kim Jeong-min [ko], 4Minute (Jiyoon, Gayoon, Woo Hyun, Byun Gi-soo [ko] | R1: "Brokenhearted" (가슴 아프게) R2: "With You" (님과 함께) R3: "Nest" (둥지) R4: "Empty Glass" (빈잔) | Jung Jong-gi | Choi Wook | Jo Hyun-nam | Jeon Chan-young | Kim Soo-chan [ko] | Nam Jin |
| 9 | December 7, 2013 | Wheesung | Joo Young-hoon, Tae Jin-ah, Gummy, K.Will, Moon Myung-jin [ko], Solbi, Gong Seo-young [ko], Jang Dong-hyuk [ko], Nam Chang-hee [ko], Jo Se-ho Special: Shorry J (Mighty Mouth) | R1: "With Me" R2: "Can't We" (안되나요) R3: "Heartsore Story" (가슴 시린 이야기) R4: "I Even Thought of Marriage" (결혼까지 생각했어) | Je Cheong | Daison | Park Young-tak | Park Joon-young | Kim Jin-ho | Wheesung |
| 10 | December 14, 2013 | Park Jin-young | Joo Young-hoon, Lee Bong-won [ko], Kim Won-hee, Kim Jeong-min [ko], Miss A (Min, Fei, Jia), Lee Ji-hye, Lee Ki-chan | R1: "Don't Leave Me" (날 떠나지마) R2: "Honey" R3: "Summer Jingle Bell" (썸머 징글벨) R4: "Behind You" (너의 뒤에서) | Byun Jae-min | Kang Kyun-sung | Park Sung-jin | Kim Nam-jong | Lee Sang-taek | Park Jin-young |
| 11 | December 21, 2013 | Kim Yoon-ah | Kim Kyung-ho, Lee Kye-in, Song Eun-i, Kim Hyung-gyu [ko], Jaurim (Goo Tae-hoon, Lee Seon-kyu, Kim Jin-man), MC Gree, Kim Yoo-jung, Jo Ah-ran, Sunny Hill, Jang Dong-hyuk [ko], J-Walk, Tasty | R1: "Fan" (팬이야) R2: "Magic Carpet Ride" (매직 카펫 라이드) R3: "Hey Hey Hey" R4: "Nocturne" (야상곡) | Park Yoo-jin | Kwon Hyun-jin | Rael | Yook Hyo-seon | Jang Seo-yoon | Kim Yoon-ah |
| 12 | December 28, 2013 | Late Kim Kwang-seok | Kim Chang-gi [ko], Han Dong-joon [ko], Joo Young-hoon, Lee Se-joon (Yurisangja), Bang Eun-hee, Kim Sung-kyung, Park Gun-hyung, Kim Ye-won, Kim Seul-gi, Kim Jeong-min [ko], Apink (Jung Eun-ji, Yoon Bo-mi, Oh Ha-young), NC.A, F.T. Island (Lee Hong-gi, Lee Jae-jin), Hong Dae-gwang [ko], Jang Dong-hyuk [ko] | R1: "Becoming Dust" (먼지가 되어) R2: "My Song" (나의 노래) R3: "A Car That Goes on Two Wheels" (두 바퀴로 가는 자동차) R4: "Around Thirty" (서른 즈음에) | Ryoo Jeong-hwan | Jin Ho-hyun | Lee Kyung-yong | Chae Hwan [ko] | Choi Seung-yeol [ko] | Kim Kwang-seok |
| 13 | January 4, 2014 | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation |

### King of Kings' Challenge
#### Semifinals

| Episode # | Air date | Panel | Panel | Participants | Participants | Participants |
| 14–15 | January 11, 2014 – January 18, 2014 | Joo Young-hoon, Kim Kyung-ho, Nam Jin, Wheesung, Yoon Min-soo, Solbi, Lee Se-joon (Yurisangja), Song Eun-i, Shorry J (Mighty Mouth), Secret (Jun Hyo-seong, Jung Ha-na), Gong Seo-young [ko], NC.A | Joo Young-hoon, Kim Kyung-ho, Nam Jin, Wheesung, Yoon Min-soo, Solbi, Lee Se-joon (Yurisangja), Song Eun-i, Shorry J (Mighty Mouth), Secret (Jun Hyo-seong, Jung Ha-na), Gong Seo-young [ko], NC.A | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) |
| 14–15 | Stage # | Participant | Singer | Song | Votes (out of 300) | Rank |
| Group A ||||||
| 14–15 | 1 | Kim Yeon-joon | IU | "You and I" (너랑 나) | 109 | 4 |
| 14–15 | 2 | Jang Jin-ho | Shin Seung-hun | "Your Smile in My Memory" (미소 속에 비친 그대) | 239 | 3 |
| 14–15 | 3 | Jeon Cheol-min | Kim Bum-soo | "Last Love" (끝사랑) | 241 | 2 |
| 14–15 | 4 | Jo Hyun-min | Im Chang-jung | "A Shot of Soju" (소주 한 잔) | 285 | 1 |
| Group B ||||||
| 14–15 | 1 | Im Sung-hyun | Jo Sung-mo | For Your Soul | 243 | 1 |
| 14–15 | 2 | Jang Seo-yoon | Kim Yoon-ah | "Nocturne" (야상곡) | 80 | 5 |
| 14–15 | 3 | Kim Soo-chan [ko] | Nam Jin | "Empty Glass" (빈잔) | 221 | 3 |
| 14–15 | 4 | Jo Yool | Yoon Do-hyun | "A Flying Butterfly" (나는 나비) | 234 | 2 |
| 14–15 | 5 | Shannon | IU | "Good Day" (좋은 날) | 183 | 4 |
| Group C |||||||
| 14–15 | 1 | Kim Jin-ho | Wheesung | "Heartsore Story" (가슴 시린 이야기) | 278 | 1 |
| 14–15 | 2 | Choi Seung-yeol | Late Kim Kwang-seok | "Although I Loved You" (사랑했지만) | 239 | 2 |
| 14–15 | 3 | Choi Yoo-kyung | Joo Hyun-mi | "Unrequited Love" (짝사랑) "The Man in Sinsa-dong" (신사동 그 사람) | 191 | 3 |
| 14–15 | 4 | Lee Sang-taek | J. Y. Park | "Behind You" (너의 뒤에서) | 81 | 4 |
| Choral of 13 participants: "The Magic Castle" (마법의 성; The Classic [ko]) ||||||

#### Final (live broadcast)

| Episode # | Air date | Panel | Panel | Participants | Participants | Participants |
| 16 | January 25, 2014 | Joo Young-hoon, Im Chang-jung, Wheesung, Greg, Shannon, Jeon Cheol-min | Joo Young-hoon, Im Chang-jung, Wheesung, Greg, Shannon, Jeon Cheol-min | The groups' first place in the semifinals | The groups' first place in the semifinals | The groups' first place in the semifinals |
| 16 | Stage # | Participant | Singer | Song | Votes (out of 864,868) | Rank |
| 16 | 1 | Jo Hyun-min | Im Chang-jung | "Again" (그때 또 다시) | 318,938 (36.9%) | Runner-up |
| 16 | 2 | Im Sung-hyun | Jo Sung-mo | "Do You Know" (아시나요) | 176,556 (20.4%) | Third place |
| 16 | 3 | Kim Jin-ho | Wheesung | "I Even Thought of Marriage" (결혼까지 생각했어) | 369,374 (42.7%) | Winner |
| Special performance: Season 1's finalists ||||||
| Special performance: Kim Kwang-seok's impersonators- "A Letter From a Private" (이등병의 편지) ||||||

## Season 3
### Special episodes

* Hidden Singer Begins 1 (aired on August 2, 2014)
* Hidden Singer Begins 2 (aired on August 9, 2014)
* Hidden Singer Lee Sun-hee Special (Episode 0; aired on August 16, 2014)

### Regular episodes

| Episode # | Air Date | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Round 4 | Round 4 | Round 4 |
| Episode # | Air Date | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Third place | Runner-up | Winner |
| 1 | August 23, 2014 | Lee Sun-hee | Joo Young-hoon, Song Eun-i, Cha Tae-hyun, Lee Se-joon (Yurisangja), Hong Kyung-min, Lee Young-ha, Heo Ji-woong [ko], Kim Do-hoon [ko], Ryu Jae-young, Gong Seo-young [ko], Mamamoo, Ben, ZE:A (Kevin, Dongjun) | R1: "To J" (J에게) R2: "Fate" (인연) R3: "Beautiful Country" (아름다운 강산) R4: "Meet Him Among Them" (그 중에 그대를 만나) | Jung Da-ae | Choi Jin-hyang | Kim Ha-young | Jung Mi-ae | Kim Won-joo | Lee Sun-hee |
| 2 | August 30, 2014 | Lee Jae-hoon (Cool) | Jeong Jun-ha, Song Eun-i, Oh Hyun-kyung, Kim Sung-soo (Cool), Yoon Il-sang, Shin Ji (Koyote), Soyou (Sistar), AOA (Choa, Jimin, Yuna), The Hidden [ko] | R1: "Sorrow" (애상) R2: "Fate" (운명) R3: "Aloha" (아로하) R4: "Before Sadness Comes" (슬퍼지려 하기전에) | Han Sang-hoon | Bang Chang-yong | Im Si-won | Lee Dong-geun | Im Jae-yong | Lee Jae-hoon |
| 3 | September 6, 2014 | Park Hyun-bin | Joo Young-hoon, Sunwoo Yong-nyeo, Seol Woon-do [ko], Lee Yoon-ji, Subin (Dal Shabet), Gong Seo-young [ko], Jung Sung-eul, Jung Jin-hyang, Jang Sung-kyu, Song Min-gyo [ko], NC.A, Seo Ji-oh [ko], Hong Won-bin [ko], Enes Kaya, Julian Quintart | R1: "Just Trust Me" (오빠만 믿어) R2: "Dead Drunk" (곤드레 만드레) R3: "So Hot!" (앗! 뜨거) R4: "Shabang Shabang" (샤방샤방) | Ahn Hee-jae | Hwang Bo-yeon | Kim Hyung-joon | Jang Young-dae | Kim Jae-hyun | Park Hyun-bin |
| 4 | September 13, 2014 | Hwanhee (Fly to the Sky) | Joo Young-hoon, Hyun Mi [ko], Brian (Fly to the Sky), Muzie [ko], Cheon Yi-seul [ko], Song Eun-i, Byun Gi-soo [ko], BESTie, Christina Confalonieri, Myname (Chae-jin, In-soo, Se-yong) | R1: "Sea of Love" R2: "Even Though My Heart Aches" (가슴 아파도) R3: "Missing You" R4: "Like a Man" (남자답게) | Hwang Eui-hyun | Park Ji-hoon | Kim Seung-yeon | Shin Hee-seop | Park Min-gyu | Hwanhee |
| 5 | September 20, 2014 | Taeyeon (Girls' Generation) | Girls' Generation (Tiffany, Hyoyeon, Yuri, Seohyun), Lee Se-joon (Yurisangja), Song Eun-i, Lee Kye-in, Yoo Se-yoon, Yoo Sang-moo [ko], Red Velvet, Jo Hyun-min | R1: "If" (만약에) R2: "Gee" R3: "Twinkle" R4: "Can You Hear Me" (들리나요...) | Jung Yeon-joo | Taeyeon | Im Soo-hyun, Park Sung-mi | — | Kang Si-ra | Kim Hwan-hee |
| 6 | September 27, 2014 | Tae Jin-ah | Joo Young-hoon, Park Won-sook, Kwon Oh-joong, Jang Dong-min, Kim Sae-rom, Yoon Young-mi [ko], Sung Jin-woo [ko], Shorry J (Mighty Mouth), Teen Top (Chunji, Niel, L.Joe), Kim Jin-ho, Kim Soo-chan [ko] | R1: "Companion" (동반자) R2: "Not Everyone Can Fall in Love" (사랑은 아무나 하나) R3: "Ok Kyung-i" (옥경이) R4: "Mother" (사모곡) | Do Dong-hyun | Kim Dae-san | Jeon Tae-won | Min Soo-hyun | Kim Young-nam | Tae Jin-ah |
| 7 | October 4, 2014 | Lee Juck | Kim Jong-jin (Bom Yeoreum Gaeul Kyeoul), Noh Sa-yeon, Song Eun-i, Davichi, John Park, Jo Moon-geun [ko], Choi Hee [ko], Park Se-mi (Jewelry), Kangnam (M.I.B), Ahn Young-min [ko], Sam Hammington, Sam Okyere, Yoko Miho (via phone): Yoo Jae-suk | R1: "It's Fortunate" (다행이다) R2: "Left-handed" (왼손잡이) R3: "Running in the Sky" (하늘을 달리다) R4: "Lie Lie Lie" (거짓말 거짓말 거짓말) | Lee Dong-joon | Go Myung-yoon | Moon Chan-hee | Bae Seung-hyun | KoN | Lee Juck |
| 8 | October 11, 2014 | Insooni | Bom Yeoreum Gaeul Kyeoul, Joo Young-hoon, Kim Tae-woo (g.o.d), Jo Hye-ryun, Song Eun-i, Secret (Jun Hyo-seong, Song Ji-eun), Gong Seo-young [ko], Topp Dogg (B-Joo, P-Goon, Nakta), The Hidden [ko] Special: Cho PD | R1: "Night After Night" (밤이면 밤마다) R2: "A Goose's Dream" (거위의 꿈) R3: "My Friend" (친구여) R4: "Father" (아버지) | Shin Ji-hye | Jung Chae-rin | Kim Bo-kyung [ko] | Kwon Yoon-mi | Yang Jeong-eun | Insooni |
| 9 | October 18, 2014 | Yoon Jong-shin | Jang Ho-il [ko], Sung Si-kyung, Chin Jung-kwon, Kim Sung-kyung, Kim Jeong-min [ko], Juniel, Jang Hang-jun, Kim Ki-bang, Ahn Mi-na [ko], Jo Jung-chi, Eddy Kim, Puer Kim [ko], Lee Hyun-kyung Special: Swings | R1: "My Love Ugly" (내 사랑 못난이) R2: "Rebirth" (환생) R3: "Instinctively" (본능적으로) R4: "One Day Long Ago" (오래전 그날) | Jeon Young-joo | Lee Hwan-hee | Shin Hyun-sik | In Eun-bae | Choi Hyung-seok | Yoon Jong-shin |
| 10 | October 25, 2014 | Lee Seung-hwan | Bom Yeoreum Gaeul Kyeoul, Joo Young-hoon, Song Eun-i, Ahn Young-mi, Ailee, Kim Joon-hee [ko], Lim Kim, Seok Joo-il [ko], Jang Dong-hyuk [ko], Jung Ji-chan [ko], Shannon, T-ara (Eunjung, Hyomin, Soyeon, TOP.IC | R1: "A Thousand Days" (천일동안) R2: "Like the Love Spread Around the World" (세상에 뿌려진 사랑만큼) R3: "I Ask" (물어본다) R4: "How Love Is" (어떻게 사랑이 그래요) | Kim Yong-gyu | Jung Dong-won | Lee Byung-geol | Goo Ja-yoon | Lee Seung-hwan | Kim Young-gwan |
| 11 | November 1, 2014 | Kim Tae-woo (g.o.d) | g.o.d (Joon Park, Danny Ahn, Son Ho-young), Gong Hyung-jin, Joo Young-hoon, Kim Kyung-ho, Lee Ji-yeon [ko], Gong Jeong-hyuk, Han Young [ko], Megan Lee, Apink (Yoon Bo-mi, Oh Ha-young), AOA (Choa, Seolhyun, Chanmi), Jang Dong-hyuk [ko], Choi Dong-hwan | R1: "Dreaming Dream" (꿈을 꾸다) R2: "High High" R3: "Lie" (거짓말) R4: "Love Rain" (사랑비) | Im Geon-min | Jang Joon-hyuk | Kim Min-woo | Seon Ji-hoon | Kim Hong-young | Kim Tae-woo |
| 12 | November 8, 2014 | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation |

### King of Kings' Challenge
#### Semifinals

| Episode # | Air date | Panel | Panel | Participants | Participants | Participants |
| 13–14 | November 15, 2014 – November 22, 2014 | Joo Young-hoon, Yang Hee-eun, Lee Jae-hoon, Hwanhee, Kim Won-hee, Kim Min-hee, Jang Dong-hyuk [ko], Song Eun-i, Huh Gak, Girl's Day (Sojin, Yura) | Joo Young-hoon, Yang Hee-eun, Lee Jae-hoon, Hwanhee, Kim Won-hee, Kim Min-hee, Jang Dong-hyuk [ko], Song Eun-i, Huh Gak, Girl's Day (Sojin, Yura) | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) |
| 13–14 | Stage # | Participant | Singer | Song | Votes (out of 300) | Rank |
| Group A ||||||
| 13–14 | 1 | Kim Won-joo | Lee Sun-hee | "Fate" (인연) | 206 | 2 |
| 13–14 | 2 | Kim Jae-hyun | Park Hyun-bin | "So Hot!" (앗! 뜨거) | 269 | 1 |
| 13–14 | 3 | Kim Hong-young | Kim Tae-woo | "Love Rain" (사랑비) | 96 | 4 |
| 13–14 | 4 | KoN | Lee Juck | "Lie Lie Lie" (거짓말 거짓말 거짓말) | 147 | 3 |
| Group B ||||||
| 13–14 | 1 | Im Jae-yong | Lee Jae-hoon | "Sorrow" (애상) | 271 | 2 (audiences' wildcard) |
| 13–14 | 2 | Park Min-gyu | Hwanhee | "Like a Man" (남자답게) | 280 | 1 |
| 13–14 | 3 | Choi Hyung-seok | Yoon Jong-shin | "One Day Long Ago" (오래전 그날) | 154 | 4 |
| 13–14 | 4 | Kim Young-nam | Tae Jin-ah | "Mother" (사모곡) | 165 | 3 |
| Group C ||||||
| 13–14 | 1 | Kim Young-gwan | Lee Seung-hwan | "How Love Is" (어떻게 사랑이 그래요) | 237 | 1 |
| 13–14 | 2 | Kim Hwan-hee | Taeyeon | "Can You Hear Me" (들리나요) | 149 | 2 |
| 13–14 | 3 | Yang Jeong-eun | Insooni | "Father" (아버지) | 104 | 3 |
| Choral of Yang Hee-eun and 11 participants: "Beautiful Things" (아름다운 것들) + "Evergreen Tree" (상록수) + "Think of You" (당신 생각) ||||||

#### Final (live broadcast)

| Episode # | Air date | Panel | Panel | Participants | Participants | Participants |
| 15 | November 29, 2014 | Joo Young-hoon, Park Hyun-bin, Lee Seung-hwan, Lee Jae-hoon, Sistar (Soyou, Bora), Gong Seo-young [ko], Song Eun-i, Bom Yeoreum Gaeul Kyeoul, Shannon | Joo Young-hoon, Park Hyun-bin, Lee Seung-hwan, Lee Jae-hoon, Sistar (Soyou, Bora), Gong Seo-young [ko], Song Eun-i, Bom Yeoreum Gaeul Kyeoul, Shannon | The groups' first place and the audiences' wildcard in the semifinals | The groups' first place and the audiences' wildcard in the semifinals | The groups' first place and the audiences' wildcard in the semifinals |
| 15 | Stage # | Participant | Singer | Song | Votes (out of 567,234) | Rank |
| 15 | 1 | Kim Jae-hyun | Park Hyun-bin | "Just Trust Me" (오빠만 믿어) | 53,533 (9.4%) | Fourth place |
| 15 | 2 | Im Jae-yong | Lee Jae-hoon | "Fate" (운명) | 119,716 (21.1%) | Third place |
| 15 | 3 | Kim Young-gwan | Lee Seung-hwan | "Live a Long Long Time" (그대가 그대를) | 182,990 (32.3%) | Runner-up |
| 15 | 4 | Park Min-gyu | Hwanhee | "Tomorrow" | 210,995 (37.2%) | Winner |

### All three seasons' King of Kings' Challenge

| Episode # | Air date | Panel | Panel | Participants | Participants | Participants |
| 16 | December 6, 2014 | Joo Young-hoon, Lee Jae-hoon, Hwanhee, Jo Sung-mo, Lee Soo-young, AOA (Choa, Yuna, Hyejeong), Song Eun-i, Solbi | Joo Young-hoon, Lee Jae-hoon, Hwanhee, Jo Sung-mo, Lee Soo-young, AOA (Choa, Yuna, Hyejeong), Song Eun-i, Solbi | All three seasons' "King of Kings' Challenge"'s finalists | All three seasons' "King of Kings' Challenge"'s finalists | All three seasons' "King of Kings' Challenge"'s finalists |
| 16 | Stage # | Participant | Singer | Song | Votes (out of 816,597) | Rank |
| 16 | 1 | Ahn Woong-gi | Lee Moon-se | "Old Love" (옛 사랑) | | |
| 16 | 2 | Im Jae-yong | Lee Jae-hoon | "Before Sadness Comes" (슬퍼지려 하기전에) | | |
| 16 | 3 | Jo Hyun-min | Im Chang-jung | "Ordinary Song" (흔한 노래) | 135,088 (16.5%) | Runner-up |
| 16 | 4 | Woo Yeon-soo | Lee Soo-young | "Whistle to Me" (휠릴리) | | |
| 16 | 5 | Kim Jae-hyun | Park Hyun-bin | "Shabang Shabang" (샤방샤방) | | |
| 16 | 6 | Kim Jin-ho | Wheesung | "Heartsore Story" (가슴 시린 이야기) (Feat. Ilhoon (BtoB)) | | |
| 16 | 7 | Kim Young-gwan | Lee Seung-hwan | "A Thousand Days" (천일동안) | 123,426 (15.1%) | Third place |
| 16 | 8 | Kim Sung-wook | Yoon Min-soo | "Drinking" (술이야) | | |
| 16 | 9 | Im Sung-hyun | Jo Sung-mo | "A Thorn Tree" (가시나무) | | |
| 16 | 10 | Park Min-gyu | Hwanhee | "Missing You" | 138,917 (17.0%) | Winner |
| Choral of all three seasons' "King of Kings' Challenge"'s participants: "Being Together" (하나되어; Various artists) ||||||

## Season 4
### Special episodes

* Best performances of Hidden Singer 1 picked by JTBC anchors (aired on September 4, 2015)
* Best performances of Hidden Singer 2 picked by Please Take Care of My Refrigerator team (aired on September 11, 2015)
* Best performances of Hidden Singer 3 picked by Non-Summit members (aired on September 18, 2015)

#### Doppel-singer Music Festival

| Air date | Panel | Panel | Panel | Participants | Participants | Participants |
| September 26, 2015 – September 27, 2015 | Joo Young-hoon, Byun Jin-sub, Song Eun-i, Kim Sook, Koyote (Kim Jong-min, Bbaek Ga), Huh Gak, Girl's Day (Sojin, Yura) Special: Shin Ji (Koyote), Cool (Kim Sung-soo, Yuri) | Joo Young-hoon, Byun Jin-sub, Song Eun-i, Kim Sook, Koyote (Kim Jong-min, Bbaek Ga), Huh Gak, Girl's Day (Sojin, Yura) Special: Shin Ji (Koyote), Cool (Kim Sung-soo, Yuri) | Joo Young-hoon, Byun Jin-sub, Song Eun-i, Kim Sook, Koyote (Kim Jong-min, Bbaek Ga), Huh Gak, Girl's Day (Sojin, Yura) Special: Shin Ji (Koyote), Cool (Kim Sung-soo, Yuri) | Season 1: Woo Yeon-soo, Oh Ye-joong, Kim Sung-wook Season 2: Jo Hyun-min, Kim Jin-ho Season 3: Im Jae-yong, Park Min-gyu, Kim Young-gwan | Season 1: Woo Yeon-soo, Oh Ye-joong, Kim Sung-wook Season 2: Jo Hyun-min, Kim Jin-ho Season 3: Im Jae-yong, Park Min-gyu, Kim Young-gwan | Season 1: Woo Yeon-soo, Oh Ye-joong, Kim Sung-wook Season 2: Jo Hyun-min, Kim Jin-ho Season 3: Im Jae-yong, Park Min-gyu, Kim Young-gwan |
| September 26, 2015 – September 27, 2015 | Stage # | Participant | Singer | First performance | Second performance | Result (voted by 300 audiences) |
| September 26, 2015 – September 27, 2015 | 1 | Park Min-gyu | Hwanhee | "Even Though My Heart Aches" (가슴 아파도) | "Sea of Love" | |
| September 26, 2015 – September 27, 2015 | 2 | Im Jae-yong | Lee Jae-hoon | "Sorrow" (애상) (Feat. Kim Sung-soo & Yuri) | "Before Sadness Comes" (슬퍼지려 하기전에) (Feat. Koyote) | |
| September 26, 2015 – September 27, 2015 | 3 | Oh Ye-joong | Jang Yun-jeong | "Evocation" (초혼) | "Sticking Plaster" (반창고) | |
| September 26, 2015 – September 27, 2015 | 4 | Jo Hyun-min | Im Chang-jung | "A Shot of Soju" (소주 한 잔) | "Love Again" (또 다시 사랑) | Winner |
| September 26, 2015 – September 27, 2015 | 5 | Kim Jin-ho | Wheesung | "I Even Thought of Marriage" (결혼까지 생각했어) | "Insomnia" | |
| September 26, 2015 – September 27, 2015 | 6 | Woo Yeon-soo | Lee Soo-young | "Whistle to Me" (휠릴리) | "A Love to Kill" (이 죽일놈의 사랑) (Feat. Kim Jae-seon) | |
| September 26, 2015 – September 27, 2015 | 7 | Kim Sung-wook | Yoon Min-soo | "Love Me Once Again" (미워도 다시 한 번) | "Are You Crazy?" (미친거니) | |
| September 26, 2015 – September 27, 2015 | 8 | Kim Young-gwan | Lee Seung-hwan | "How Love Is" (어떻게 사랑이 그래요) | "That One Person" (그 한 사람) | |

### Regular episodes

| Episode # | Air Date | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Round 4 | Round 4 | Round 4 |
| Episode # | Air Date | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Third place | Runner-up | Winner |
| 1 | October 3, 2015 | BoA | Joo Young-hoon, Ahn Moon-sook [ko], Kim Min-jong, Hong Seok-cheon, Lee Won-il, Sunny (Girls' Generation), Key (Shinee), Suho (EXO), Goo Hara, Baek A-yeon, Sayuri Fujita | R1: "ID; Peace B" R2: "No.1" R3: "Valenti" R4: "Only One" | Ji In-seon | Shin Jin-ah | Kim So-yeon | Moon Ye-seul | Seo Young-seo | BoA |
| 2 | October 10, 2015 | Kim Jin-ho (SG Wannabe) | Joo Young-hoon, Sunwoo Yong-nyeo, SG Wannabe (Kim Yong-jun, Lee Seok-hoon), Song Eun-i, Kim Sook, Choi Hee [ko], Jo Young-soo [ko], Park Seung-hi, AOA (Choa, Jimin, Hyejeong), Kim Jin-ho, Jo Hyun-min | R1: "Timeless" R2: "Partner for Life" (내 사람) R3: "Lalala" (라라라) R4: "As We Live" (살다가) | Kim Kang-jin | Kim Jin-ho | Na Yong-woon, Bae Doo-hoon | — | Im Gyu-hwan | Kim Jeong-joon |
| 3 | October 17, 2015 | Min Kyung-hoon (Buzz) | Joo Young-hoon, Hyun Mi [ko], Tei, Song Eun-i, Buzz (Yoon Woo-hyun, Son Sung-hee, Kim Ye-joon, Shin Joon-gi), Sunwoo Sun, Lee Guk-joo, Oh Jeong-yeon [ko], DIA (Seunghee, Yebin, Chaeyeon) | R1: "Coward" (겁쟁이) R2: "Thorn" (가시) R3: "Travel to Me" (나에게로 떠나는 여행) R4: "You Don't Know Men" (남자를 몰라) | Park Hyun-soo | Kwon Joon-yeon | Min Kyung-hoon | Baek Sung-jin | Choi Seung-ho | Park Kyung-won |
| 4 | October 24, 2015 | Late Shin Hae-chul | Joo Young-hoon, Shin Daechul (Sinawe), Yoo Sun, N.EX.T (Kim Se-hwang, Lee Hyun-seop, Ji Hyun-soo), Song Eun-i, Kim Jong-seo, Namgoong Yeon [ko], NC.A, Park Seuk-gi [ko], Eric Nam, Lady Jane, 2Eyes, Yoon Won-hee | R1: "Jazz Cafe" (재즈카페) R2: "Fly, Chick" (날아라 병아리) R3: "To Her" (그대에게) R4: "As Life Draws to an End Before Us" (우리 앞의 생이 끝나갈 때) | Ahn Min-ho | Na Hyun-ho | Kim Dong-hwan | Kwon Seung-goo | Jung Jae-hoon | Shin Hae-chul |
| 5 | October 31, 2015 | Lee Eun-mi | Joo Young-hoon, Lee Yoon-mi, Lee Kye-in, Lee Hye-jeong [ko], Song Eun-i, Park Hak-gi [ko], Solbi, Kim Kyung-in, Hwang Je-sung [ko], N.Flying (Lee Seung-hyub, Kim Jae-hyun), Outsider, Laboum (Yujeong, Soyeon, ZN), Yoon Il-sang | R1: "A Certain Longing" (어떤 그리움) R2: "Into Memory" (기억 속으로) R3: "I Have a Lover" (애인있어요) R4: "Nocturne" (녹턴) | Ariel Weinberg | Kim Hee-na | Kwon Joo-hee | Ji Se-hee [ko] | Park Yeon-kyung | Lee Eun-mi |
| 6 | November 7, 2015 | So Chan-whee | Joo Young-hoon, Kim Kyung-ho, Byun Jung-soo, Song Eun-i, Lee Ki-chan, Park Na-rae, Kim Byung-soo [ko], Song Ji-eun (Secret), Kim Jin [ko], Jang Dong-jik [ko], Hello Venus (Nara, Yooyoung, Yeoreum), VIXX (Ken, Ravi, Hyuk) | R1: "Chance to Farewell" (헤어지는 기회) R2: "A Smart Choice" (현명한 선택) R3: "Tears" R4: "No Choice But to Let You Go" (보낼 수 밖에 없는 난) | Yoo Da-young | Lee Joo-hyung [ko] (Male) | Sook Haeng [ko] | — | Hwang In-sook, Joo Mi-sung | So Chan-whee |
| 7 | November 14, 2015 | Kim Jung-min | Kim Jong-jin (Bom Yeoreum Gaeul Kyeoul), Oh Hyun-kyung, Jang Dong-jik [ko], Rumiko Tani, Lee Byung-jin [ko], Noel (Lee Sang-gon, Kang Kyun-sung), Kim Sook, Song Eun-i, BESTie, HALO (Jaeyong, Heecheon), Kis | R1: "Last Promise" (마지막 약속) R2: "Sad Promise" (슬픈 언약식) R3: "Lover" (애인) R4: "Endless Love" (무한지애) | Yoon Gwang-yong | Kim Hwan-jin | Lee Bong-geun | Shin Hee-young | Kim Jong-moon | Kim Jung-min |
| 8 | November 21, 2015 | Kim Yeon-woo | Joo Young-hoon, Kim Kyung-ho, Park Joon-geum, Song Eun-i, Muzie [ko], Jung Sung-ho [ko], Oh Young-sook, Mamamoo, Jang Sung-kyu, Song Min-gyo [ko], Oh Jeong-yeon [ko], Choi Hee [ko], VIXX (Ken, Ravi), Jang Dong-hyuk [ko] | R1: "Farewell Taxi" (이별택시) R2: "Is It Still Beautiful" (여전히 아름다운지) R3: "If You're Like Me" (나와 같다면) R4: "Love, That Common Word" (사랑한다는 흔한 말) | Ahn Jeong-hoon | Han Seung-hee | Lee Yong-goo | Jo Gil-won | Jang Woo-ram [ko] | Kim Yeon-woo |
| 9 | November 28, 2015 | Yim Jae-beom | Shin Jae-hong, Sunwoo Yong-nyeo, Joo Young-hoon, Kim Jeong-min [ko], Park Wan-kyu, Kim Tae-woo (g.o.d), Eun Ga-eun [ko], Lee Hong-gi (F.T. Island), Oh Jeong-yeon [ko], Lee Ji-ae, Seo Hyun-jin [ko], Jang Do-yeon, Muzie [ko] Special: Sohyang | R1: "Scar Deeper Than Love" (사랑보다 깊은 상처) R2: "Confession" (고해) R3: "The Flight" (비상) R4: "For You" (너를 위해) | Lee Young-jae | Shin Gong-hoon, Jung Young-pil | Ahn Jeong-soo | Kim Min-ho | Kim Jin-wook | Yim Jae-beom |
| 10 | December 5, 2015 | Shin Ji (Koyote) | Sunwoo Yong-nyeo, Joo Young-hoon, Koyote (Kim Jong-min, Bbaek Ga), Song Eun-i, Cool (Kim Sung-soo, Lee Jae-hoon), Jang Dong-hyuk [ko], EXID (Solji, LE, Hani), Topp Dogg (B-Joo, Xero), Im Jae-yong | R1: "Genuine" (순정) R2: "Sad Dream" (비몽) R3: "Passion" R4: "Paran" (파란) | Poong Geum [ko] | Solbi | NC.A | Oh Eun-jin | Kim Soo-jin | Shin Ji |
| 11 | December 12, 2015 | Gummy | Joo Young-hoon, Ahn Moon-sook [ko], Wheesung, Kim Do-hoon [ko], Song Eun-i, Kim Hyo-jin [ko], Kim Il-joong [ko], Kim Hyun-wook [ko], Sung Eun [ko], Fiestar (Jei, Cao Lu), Joy o'clock Special: Kim Jin-ho | R1: "If You Come Back" (그대 돌아오면) R2: "We Should've Been Friends" (친구라도 될 걸 그랬어) R3: "Childish Adult" (어른아이) R4: "Memory Loss" (기억상실) | Lee Se-mi | Monika | Kim Hyun-sil | Hong Hye-jin | Lee Eun-ah | Gummy |
| 12 | December 19, 2015 | Byun Jin-sub | Joo Young-hoon, Kim Wan-sun, Kim Kwang-kyu, Bang Eun-hee, Kim Sung-ryung, Go Woo-ri (Rainbow), Song Eun-i, Kim Hyo-jin [ko], Kim In-seok [ko], Kangnam (M.I.B), U Sung-eun, Park Si-hwan, Queen B'Z (Goo Seul-yi, Nora-Born, Lee Roo-mi) [ko] | R1: "Dear My Lady" (숙녀에게) R2: "Being Alone" (홀로 된다는 것) R3: "Like a Bird" (새들처럼) R4: "To You Again" (너에게로 또 다시) | Kim Dong-ho | Kim Dong-eon | Park Hwal-gi | Song Sung-yong | Lee Seung-cheol | Byun Jin-sub |
| 13 | December 26, 2015 | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation |

### King of Kings' Challenge
#### Semifinals

| Episode # | Air date | Panel | Panel | Participants | Participants | Participants |
| 14–15 | January 2, 2016 – January 9, 2016 | Joo Young-hoon, Solbi, NC.A, Shin Ji, So Chan-whee, Kim Heung-gook, Kim Jung-min, Min Kyung-hoon, Song Eun-i, Apink (Yoon Bo-mi, Oh Ha-young, Kim Kyung-in, Ahn Na-kyung, Song Min-gyo [ko], Jo Soo-ae [ko] | Joo Young-hoon, Solbi, NC.A, Shin Ji, So Chan-whee, Kim Heung-gook, Kim Jung-min, Min Kyung-hoon, Song Eun-i, Apink (Yoon Bo-mi, Oh Ha-young, Kim Kyung-in, Ahn Na-kyung, Song Min-gyo [ko], Jo Soo-ae [ko] | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) |
| 14–15 | Stage # | Participant | Singer | Song | Votes (out of 300) | Rank |
| Group A ||||||
| 14–15 | 1 | Joo Mi-sung | So Chan-whee | "A Smart Choice" (현명한 선택) | 185 | 5 |
| 14–15 | 2 | Seo Young-seo | BoA | "Valenti" | 220 | 4 |
| 14–15 | 3 | Kim Jin-wook | Yim Jae-beom | "For You" (너를 위해) | 223 | 3 |
| 14–15 | 4 | Kim Jeong-joon | Kim Jin-ho | "As We Live" (살다가) | 274 | 1 |
| 14–15 | 5 | Kim Jong-moon | Kim Jung-min | "Endless Love" (무한지애) | 256 | 2 |
| Group B ||||||
| 14–15 | 1 | Hwang In-sook | So Chan-whee | "Tears" | 265 | 1 |
| 14–15 | 2 | Park Kyung-won | Min Kyung-hoon | "You Don't Know Men" (남자를 몰라) | 257 | 2 (audiences' wildcard) |
| 14–15 | 3 | Lee Seung-cheol | Byun Jin-sub | "Dear My Lady" (숙녀에게) | 197 | 4 |
| 14–15 | 4 | Kim Soo-jin | Shin Ji | "Sad Dream" (비몽) | 256 | 3 |
| Group C ||||||
| 14–15 | 1 | Jung Jae-hoon | Late Shin Hae-chul | "To Her" (그대에게) | 258 | 2 |
| 14–15 | 2 | Lee Eun-ah | Gummy | "We Should've Been Friends" (친구라도 될 걸 그랬어) | 259 | 1 |
| 14–15 | 3 | Park Yeon-kyung | Lee Eun-mi | "Nocturne" (녹턴) | 254 | 3 |
| 14–15 | 4 | Jang Woo-ram | Kim Yeon-woo | "Love, That Common Word" (사랑한다는 흔한 말) | 184 | 4 |
| Choral of 13 participants: "Sano Ramen" (사노라면; Johnny Lee [ko]) ||||||
| Special performance: Jeon In-kwon – "Imagine" ||||||
| Choral of Jeon In-kwon and 13 participants: "Don't Worry" (걱정말아요 그대) ||||||

#### Final (live broadcast)

| Episode # | Air date | Panel | Panel | Participants | Participants | Participants |
| 16 | January 16, 2016 | Joo Young-hoon, Kim Heung-gook, Gummy, So Chan-whee, Min Kyung-hoon, Kim Jung-min, Song Eun-i, AOA (Jimin, Mina) | Joo Young-hoon, Kim Heung-gook, Gummy, So Chan-whee, Min Kyung-hoon, Kim Jung-min, Song Eun-i, AOA (Jimin, Mina) | The groups' first place and the audiences' wildcard in the semifinals | The groups' first place and the audiences' wildcard in the semifinals | The groups' first place and the audiences' wildcard in the semifinals |
| 16 | Stage # | Participant | Singer | Song | Votes (out of 506,967) | Rank |
| 16 | 1 | Hwang In-sook | So Chan-whee | "A Smart Choice" (현명한 선택) | 101,489 (20.0%) | Third place |
| 16 | 2 | Kim Jeong-joon | Kim Jin-ho | "Timeless" | 151,451 (29.9%) | Runner-up |
| 16 | 3 | Lee Eun-ah | Gummy | "Memory Loss" (기억상실) | 154,139 (30.4%) | Winner |
| 16 | 4 | Park Kyung-won | Min Kyung-hoon | "Coward" (겁쟁이) | 99,888 (19.7%) | Fourth place |
| Special performance: Turbo – "Again" (다시) + "Love Is" + "White Love" (스키장에서) + "Twist King" ||||||

## Season 5
### Special episodes
#### Hidden Singer 5 Comeback Special (aired on June 10, 2018)

* MC: Jun Hyun-moo, Song Eun-i (special)
* Panel: Kim Kyung-ho, Hwanhee (Fly to the Sky), Gummy, Park Sung-kwang
* Highlights of the previous seasons:
** Doppelganger had the same voice and appearance with the singer: Lee Moon-se's part (S1 Ep.2), Lee Jae-hoon's part (S3 Ep.2)
** Beautiful miracle made by the participant (the singer was eliminated before the last participant): Jo Sung-mo's part (S2 Ep.3), Lee Seung-hwan's part (S3 Ep.10), Min Kyung-hoon's part (S4 Ep.3)
** Top 10 legends that you "want to see again":
*** 1st – Late Kim Kwang-seok's part (S2 Ep.12)
*** 2nd – Min Kyung-hoon's part (S4 Ep.3)
*** 3rd – Hwanhee's part (S3 Ep.4)
*** 4th – Im Chang-jung's part (S2 Ep.1)
*** 5th – Wheesung's part (S2 Ep.9)
*** 6th – Lee Sun-hee's part (S3 Ep.1)
*** 7th – Gummy's part (S4 Ep.11)
*** 8th – Lee Seung-hwan's part (S3 Ep.10)
*** 9th – Lee Jae-hoon's part (S3 Ep.2)
*** 10th – Yim Jae-beom's part (S4 Ep.9)
*** 11th – Kim Kyung-ho's part (S1 Pilot 2)
* Season 5's line-up prediction: Jeon In-kwon, Psy, Kangta (H.O.T.), Bada (S.E.S.), K.Will, Hong Jin-young, Ailee

### Regular episodes

| Episode # | Air Date/ References | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Round 4 | Round 4 | Round 4 |
| Episode # | Air Date/ References | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Third place | Runner-up | Winner |
| 1 | June 17, 2018 | Kangta (H.O.T.) | Sunwoo Yong-nyeo, Song Eun-i, Jeong Jun-ha, Tony An (H.O.T.), Sechs Kies (Eun Ji-won, Kang Sung-hoon), Luna (f(x)), Hyoyeon (Girls' Generation), Park Ji-sun, Park Sung-kwang, Momoland (Hyebin, Jane, JooE) Special: Lee Jae-won (H.O.T.) | R1: "Candy" (캔디) R2: "Polaris" (북극성) R3: "Hope" (빛) R4: "Memories" (사랑은 기억보다) | Choi Young-gyun | Kim Hwi-goo | Kangta | Kim Hyung-chan | Cha Gyeo-wool | Kim Min-chang |
| 2 | June 24, 2018 | Jeon In-kwon | Moon Hee-kyung, Song Eun-i, Kim Do-gyoon [ko], Kim Jong-seo, Park Wan-kyu, Kim Ji-sook, Boom, Sam Okyere, Alberto Mondi, Lovelyz (Jiae, Jisoo, Kei, Yein), IZ (Woosu, Junyoung) | R1: "That's Only My World" (그것만이 내 세상) R2: "Please" (제발) R3: "Round Round and Round" (돌고 돌고 돌고) R4: "After the Love Has Gone" (사랑한 후에) | Kim Kwang-young | Kim Bong-gi | Hong In-pyo | Yoo Je-hyuk | Han Ga-ram | Jeon In-kwon |
| 3 | July 1, 2018 | Psy | Kim Hyung-seok [ko], Song Eun-i, Noh Sa-yeon, Tony An (H.O.T.), UV [ko], Kim Il-joong [ko], Yoo Min-sang [ko], Park Sung-kwang, AOA (Yuna, Hyejeong, Chanmi), Killagramz | R1: "Champion" (챔피언) R2: "Gangnam Style" (강남스타일) R3: "It's Art" (예술이야) R4: "Father" (아버지) | Shin Yong-nam | Im Dong-yeol | Seo Yoo-hyun | Choi Go-ya | Kim Sung-in | Psy |
| 4 | July 8, 2018 | K.Will | Hyun Mi [ko], Song Eun-i, Kim Do-hoon [ko], Soyou, DinDin, Lee Ji-hye, Choi Hyun-woo [ko], Forestella, Cosmic Girls (Eunseo, Dayoung), Vromance (Janghyun, Hyunkyu) | R1: "Dropping the Tears" (눈물이 뚝뚝) R2: "I Need You" (니가 필요해) R3: "Please Don't ..." (이러지마 제발) R4: "Miss, Miss, Miss" (그립고 그립고 그립다) | Shin Seo-woo | Shin Young-hwan | Song Ji-seok | Kim Byung-gil | Jung Han | K.Will |
| 5 | July 15, 2018 | Lyn | Lee Kye-in, Song Eun-i, Wheesung, Choi Jung-in, Kim Hyo-jin [ko], Son Dong-woon (Highlight), Yoo Jae-hwan [ko], Oh My Girl (Hyojung, YooA, Seunghee), Kim Min-ki [ko], Hong Yoon-hwa [ko], Ken (VIXX), Cheon Dan-bi [ko] | R1: "Love.. Is All Lies" (사랑.. 다 거짓말) R2: "Back in Time" (시간을 거슬러) R3: "... We Used to Love..." (...사랑했잖아...) R4: "My Destiny" | Hyun Jin-joo | Heo Mi-yeon | Hyun So-jin | — | Ahn Min-hee, Choi Woo-sung (Male) | Lyn |
| 6 | July 22, 2018 | Ko Yu-jin (Flower) | Bang Eun-hee, Song Eun-i, Min Kyung-hoon (Buzz), Kim Kyung-ho, Kim Jung-min, Flower (Kim Woo-di, Go Sung-jin), Weki Meki (Suyeon, Doyeon, Sei), Kwak Dong-hyun, Jang Dong-min, Park Sung-kwang | R1: "Endless" R2: "Slow Walking Kid" (걸음이 느린 아이) R3: "Expression of Love" (애정표현) R4: "Tears" (눈물) | Nam Hyung-wook | Seon Yong-seon | Jung Ji-hoon | Lee Dong-young | Kang Hyung-ho | Ko Yu-jin |
| 7 | July 29, 2018 | Hong Jin-young | Moon Hee-kyung, Song Eun-i, Jo Young-soo [ko], Shin Ji (Koyote), Hong Jin-ho, Byun Gi-soo [ko], Jin Hae-sung [ko], IZ (Woosu, Hyunjun), Twice (Jeongyeon, Sana, Mina), Kim Hwan [ko], Jang Sung-kyu | R1: "Good Bye" (잘가라) R2: "Thumb Up" (엄지 척) R3: "Cheer Up" (산다는 건) R4: "Love Battery" (사랑의 배터리) | Go Soo-yeon | Eun Ha-soo [ko] | Ma Jeong-mi | Lee Seung-yeon | Yoo Ji-na [ko] | Hong Jin-young |
| 8 | August 5, 2018 | Ailee | Song Eun-i, Park So-hyun, Wheesung, Hwang Chi-yeul, Shorry J (Mighty Mouth), Park Sung-kwang, Yoo Min-sang [ko], NU'EST W (Aron, Baekho, Ren), Park Seul-gi [ko], Guillaume Patry, Christian Burgos | R1: "Heaven" R2: "I Will Show You" (보여줄게) R3: "I Will Go to You like the First Snow" (첫눈처럼 너에게 가겠다) R4: "U&I" | Park Hye-won | Lee Yoo-jin | Ailee | Lee Jeong-eun | Kwon Ye-rin | Kang Go-eun |
| 9 | August 12, 2018 | Bada (S.E.S.) | Jung Jae-yong (DJ DOC), Song Eun-i, Shoo (S.E.S.), Lee Jae-won (H.O.T.), Song Min-gyo [ko], Jo Soo-ae [ko], Hanhae, Goon Jo, SEVENTEEN (Jeonghan, DK, Seungkwan), Byun Gi-soo [ko], Edel Reinklang [ko] | R1: "Dreams Come True" (Original: S.E.S.) R2: "I Love You" (너를 사랑해) (Original: S.E.S.) R3: "MAD" R4: "Just in Love" (꿈을 모아서) (Original: S.E.S.) | Jung Ji-yoon | Shin Jin-kyung | Na Mi-hee | Bada | Kim Hye-in | Choi So-hyun |
| 10 | August 19, 2018 | Yang Hee-eun | Lee Sung-mi [ko], Lee Juck, Song Eun-i, Kim Young-chul, Lee Se-joon (Yurisangja), Yook Joong-wan (Rose Motel) [ko], Park Sung-kwang, Duetto, Kwak Dong-hyun, Park Sang-don [ko], NC.A (Uni.T), Gugudan (Nayoung, Sejeong) Special: Lee Young-ja, Kim Sook | R1: "Morning Dew" (아침 이슬) R2: "Love on Its Solitude" (사랑 그 쓸쓸함에 대하여) R3: "White Magnolia" (하얀 목련) R4: "Farewell Sadness" (슬픔 이젠 안녕) | Im Da-bi | Jung Yoo-hyun | Joo Gi-hoon (Male) | Seo Yi-yeon | Kim Yoo-jeong | Yang Hee-eun |
| 11 | August 26, 2018 | Zion.T | Lee Moo-song [ko], Defconn, Song Eun-i, Shim Jin-hwa [ko], Kim Won-hyo [ko], Brown Eyed Girls (Miryo, Narsha), Peejay [ko], iKON (Yunhyeong, B.I, Donghyuk), Go Eun-sung, Kwon Seo-kyung | R1: "Eat" (꺼내 먹어요) R2: "The Song" (노래) R3: "See Through" (씨스루) (Original: Primary ft. Gaeko & Zion.T) R4: "Yanghwa Bridge" (양화대교) | Pyun Seung-hoon | Jaden | Park Jae-seok | Kim Jae-ho | Park Joon-young | Zion.T |
| 12 | September 2, 2018 | Park Mi-kyung [ko] | Clon, Hong Rok-gi [ko], Kim Chang-hwan [ko], Chae Yeon, Song Eun-i, Lee Se-joon (Yurisangja), Red Velvet (Seulgi, Joy), The East Light (Sagang, Woojin), Gong Seo-young [ko], Hwang Bo-mi [ko] | R1: "Unreasonable Reason" (이유같지 않은 이유) R2: "Obsession" (집착) R3: "Distant Memories of You" (기억속의 먼 그대에게) R4: "Warning of the Eve" (이브의 경고) | Park Da-bin | Kim Min-seon [ko] | Oh Bo-ram | Hwang Ye-seul | Lee Hyo-jin | Park Mi-kyung [ko] |
| 13 | September 9, 2018 | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation | Highlights and King of Kings' Challenge's preparation |

### King of Kings' Challenge

| Episode # | Air date/ References | Panel | Panel | Participants | Participants | Participants |
| 14–15 | September 16, 2018 – September 23, 2018 | Jang Woo-ram [ko], Christian Burgos, Park Sung-kwang, Hong Jin-young, Yang Hee-eun, Im Chang-jung, Song Eun-i, Woohyun (Infinite), Chungha, Kim So-hee Special: Bada (S.E.S.) | Jang Woo-ram [ko], Christian Burgos, Park Sung-kwang, Hong Jin-young, Yang Hee-eun, Im Chang-jung, Song Eun-i, Woohyun (Infinite), Chungha, Kim So-hee Special: Bada (S.E.S.) | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) |
| 14–15 | Stage # | Participant | Singer | Song | Votes (out of 300) | Rank |
| 14–15 | 1 | Ahn Min-hee | Lyn | "Back in Time" (시간을 거슬러) (Moon Embracing the Sun OST) | 265 | 3 |
| 14–15 | 2 | Kang Hyung-ho | Ko Yu-jin (Flower) | "Tears" (눈물) | 203 | 12 |
| 14–15 | 3 | Han Ga-ram | Jeon In-kwon | "After the Love Has Gone" (사랑한 후에) | 232 | 9 |
| 14–15 | 4 | Choi Woo-sung | Lyn | "My Destiny" | 241 | 5 |
| 14–15 | 5 | Kim Sung-in | Psy | "Gangnam Style" (강남스타일) | 234 | 8 |
| 14–15 | 6 | Lee Hyo-jin | Park Mi-kyung [ko] | "Unreasonable Reason" (이유같지 않은 이유) | 256 | 4 |
| 14–15 | 7 | Jung Han | K.Will | "Please Don't ..." (이러지마 제발) | 222 | 11 |
| 14–15 | 8 | Park Joon-young | Zion.T | "Yanghwa Bridge" (양화대교) | 178 | 13 |
| 14–15 | 9 | Choi So-hyun | Bada (S.E.S.) | "MAD" | 280 | 1 |
| 14–15 | 10 | Yoo Ji-na [ko] | Hong Jin-young | "Thumb Up" (엄지 척) | 238 | 7 |
| 14–15 | 11 | Kim Min-chang | Kangta (H.O.T.) | "Polaris" (북극성) | 277 | 2 |
| 14–15 | 12 | Kang Go-eun | Ailee | "I Will Show You" (보여줄게) | 239 | 6 |
| 14–15 | 13 | Kim Yoo-jeong | Yang Hee-eun | "Evergreen Tree" (상록수) | 227 | 10 |
| Special performance: Im Chang-jung – "There Has Never Been a Day I Haven't Loved You" (하루도 그대를 사랑하지 않은 적이 없었다) ||||||
| Choral of 13 participants: "Someday" (언젠가는; Lee Tzsche) ||||||

### All Five Seasons' Doppel-singer Music Festival

| Episode # | Air date/ References | Panel | Participants | Participants | Participants |
| 16–17 | September 30, 2018 – October 7, 2018 | Jang Woo-ram [ko], Hangzoo, DinDin, Park Sung-kwang, Kim Won-jun, Johan Kim, Song Eun-i, Myteen (Shin Junseop, Song Yuvin) | Season 1: Kim Kyung-ho & Kwak Dong-hyun Season 3: Park Hyun-bin & Kim Jae-hyun Season 4: So Chan-whee & Hwang In-sook, Gummy & Lee Eun-ah Season 5: Park Mi-kyung [ko] & Lee Hyo-jin, Bada (S.E.S.) & Choi So-hyun, Lyn & Choi Woo-sung & Ahn Min-hee, K.Will & Jung Han | Season 1: Kim Kyung-ho & Kwak Dong-hyun Season 3: Park Hyun-bin & Kim Jae-hyun Season 4: So Chan-whee & Hwang In-sook, Gummy & Lee Eun-ah Season 5: Park Mi-kyung [ko] & Lee Hyo-jin, Bada (S.E.S.) & Choi So-hyun, Lyn & Choi Woo-sung & Ahn Min-hee, K.Will & Jung Han | Season 1: Kim Kyung-ho & Kwak Dong-hyun Season 3: Park Hyun-bin & Kim Jae-hyun Season 4: So Chan-whee & Hwang In-sook, Gummy & Lee Eun-ah Season 5: Park Mi-kyung [ko] & Lee Hyo-jin, Bada (S.E.S.) & Choi So-hyun, Lyn & Choi Woo-sung & Ahn Min-hee, K.Will & Jung Han |
| 16–17 | Stage # | Performers | First performance | Second performance | Result (votes out of 300) |
| 16–17 | 1 | So Chan-whee & Hwang In-sook | "A Smart Choice" (현명한 선택) | "Tears" | |
| 16–17 | 2 | K.Will & Jung Han | "Growing" (꽃이 핀다) | "I'll Be with You" (네 곁에) | Third place (48) |
| 16–17 | 3 | Park Hyun-bin & Kim Jae-hyun | "Dead Drunk" (곤드레 만드레) | "Just Trust Me" (오빠만 믿어) | |
| 16–17 | 4 | Lyn & Choi Woo-sung & Ahn Min-hee | "True Story" (실화) | "Honey, Baby Love" (자기야 여보야 사랑아) | |
| 16–17 | 5 | Bada & Choi So-hyun | "V.I.P" | "Sad Song" (비가) (Original: S.E.S.) | |
| 16–17 | 6 | Kim Kyung-ho & Kwak Dong-hyun | "Forbidden Love" (금지된 사랑) | "Shout" | Second place (75) |
| 16–17 | 7 | Gummy & Lee Eun-ah | "Childish Adult" (어른아이) | "You Are My Everything" | Best couple (98) |
| 16–17 | 8 | Park Mi-kyung [ko] & Lee Hyo-jin | "Distant Memories of You" (기억속의 먼 그대에게) | "Punishment" (벌) (feat. other four participants in Park Mi-kyung's episode) | |

## Season 6
### Special episodes
#### Hidden Singer 6 Comeback Special - Prologue (aired on July 31, 2020)

* MC: Jun Hyun-moo, Song Eun-i (special)
* Panel: Jang Minho, K.Will, Seunghee (Oh My Girl)
* Congratulatory Squad Appearances (also joins as panel):
** Young Tak (previously appeared on the Wheesung episode as a contestant (S2 Ep.9))
** Kim Soo-chan [ko] (previously appeared on the Nam Jin episode as a contestant (S2 Ep.8))
** Jang Woo-ram [ko] (previously appeared on the Kim Yeon-woo episode as a contestant (S4 Ep.8))
** Kim Yeon-ja [ko]
* Highlights of the previous seasons:
** Best 3 Sync Probabilities of Season 5: Kangta's part (Ep.1 round 3), Lyn's part (Ep.5 round 2), Bada's part (Ep.9 round 4), K.Will's part (Ep.4 round 2)
** Trot Singers' Quiz (guessing which one of the six trot singers is not an impersonator)
** Season 6 line-up hearing quiz
* Season 6's line-up prediction: Rain, Hwasa (Mamamoo), Jang Beom-june, Kim Won-jun, Jin Sung [ko], Kim Jong-kook, Jang Yoon-jeong, Baek Ji-young, Lee So-ra, Kim Yeon-ja [ko]

#### Hidden Singer 6 Special Live Broadcast Quiz (aired on September 18, 2020; labelled as episode 7)

* MC: Jun Hyun-moo
* Panel: Song Eun-i, Shindong (Super Junior), Seunghee (Oh My Girl), Baek Ji-young
* Season 6's second half line-up: Kim Jong-kook, Seol Woon-do [ko], Jang Yoon-jeong, Kim Wan-sun, Jang Beom-june, Lee So-ra

### Regular episodes

| Episode # | Air Date/ References | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Round 4 | Round 4 | Round 4 |
| Episode # | Air Date/ References | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Third place | Runner-up | Winner |
| 1 | August 7, 2020 | Kim Yeon-ja [ko] | Sunwoo Yong-nyeo, Lee Man-ki [ko], Song Eun-i, Yoon Il-sang, Shin Bong-sun, Moon Se-yoon, Lim Young-woong, DinDin, Lee Chan-won, Oh My Girl (Hyojung, Mimi, Binnie), The Boyz (Hyunjae, Juyeon, New, Q, Ju Haknyeon) | R1: "Mercury Lamp" (수은등) R2: "In 10 Minutes" (10분 내로) R3: "Amor Fati" (아모르 파티) R4: "Are You Serious?" (진정인가요) | Jennifer Jang | Shin Soo-mi | Yeom Jeong-mi | Kang Yoo-jin | Ahn Yi-sook | Kim Yeon-ja [ko] |
| 2 | August 14, 2020 | Kim Won-jun | Kim Hyung-seok [ko], Park Mi-kyung [ko], Kim Sung-ryung, Bang Eun-hee, Song Eun-i, Kim Se-jin, Shin Bong-sun, Shin Ji (Koyote), Moon Se-yoon, Nam Chang-hee [ko], DinDin, Itzy, La Poem, Oyul | R1: "While You Were Not Here" (너 없는 동안) R2: "In the Dead of the Night" (모두 잠든 후에) R3: "Always" (언제나) R4: "Show" | Sung Chang-yong | Im Gyu-hyung | Lee Roo-ri | Yoon Sung-min | Kim Won-jun | Park Sung-il |
| 3 | August 21, 2020 | Jin Sung [ko] | Choi Yang-rak [ko], Paeng Hyun-sook [ko], Song Eun-i, Go Jae-geun [ko], Abhishek Gupta (Lucky), Shin Bong-sun, Moon Se-yoon, Alberto Mondi, DinDin, Aftermoon (Kevin Oh, Lee Jong-hoon, Choi Young-jin), Kim Soo-chan [ko], Kim Hee-jae [ko], GFriend (Sowon, Yerin, Eunha, Yuju), Angelina Danilova, Jung Dong-won | R1: "Don't Go" (가지마) R2: "One's Impoverished Days" (보릿고개) R3: "Don't Tackle Me" (태클을 걸지마) R4: "At Andong Station" (안동역에서) | Ji Byung-joon | Park Gil-sam | Lee Seo-yool | Lee Tak | Jin Sung [ko] | Kim Wan-joon |
| 4 | August 28, 2020 | Baek Ji-young (Rematch) | Song Eun-i, Park Joon-hyung, Jang Minho, Kim Ji-hye [ko], Lee Ji-hye, Shin Bong-sun, Moon Se-yoon, Young Tak, DinDin, Iz*One (Kwon Eun-bi, Kim Chaewon, Kim Min-ju, Jo Yu-ri, Jang Won-young), RabidAnce | R1: "That Woman" (그 여자) R2: "Like Being Hit by a Bullet" (총 맞은 것처럼) R3: "My Ear's Candy" (내 귀에 캔디) R4: "No Love, No Heartbreak" (다시는 사랑하지 않고, 이별에 아파하기 싫어) | Lee Yoon-woo | Lee Gyu-ra | Im Ji-an | Noh Yoon-seo | Baek Ji-young | Jung Yoo-mi |
| 5 | September 4, 2020 | Rain | Joon Park (g.o.d), Song Eun-i, Kim Hye-eun, Han Suk-joon, Shin Bong-sun, Moon Se-yoon, Ki Eun-se [ko], Lee Yeon-doo, Sandara Park, Park Seul-gi [ko], DinDin, Hani (EXID), Got7 (Youngjae, BamBam), Monsta X (Kihyun, Hyungwon), Lim Na-young, Forestella | R1: "Bad Guy" (나쁜 남자) R2: "Love Song" (널 붙잡을 노래) R3: "Ways to Avoid the Sun" (태양을 피하는 방법) R4: "Love Story" | Shin Jae-wook | Shownu, Cha Joon-taek | Lee Jun-yong | Park Min-seok | Rain | Kim Hyun-woo |
| 6 | September 11, 2020 | Hwasa (Mamamoo) | Kim Kyung-ho, Song Eun-i, Kim Jong-min (Koyote), Shin Bong-sun, Moon Se-yoon, Park Woo-sang, Kwak Dong-hyun, DinDin, Lovelyz (Baby Soul, Kei, Yein), Seunghee (Oh My Girl), Onewe (Yonghoon, Dongmyeong), Kim Jae-hwan, Lucy, Natty | R1: "Don't Give It to Me" (주지마) R2: "Twit" (멍청이) R3: "Décalcomanie" (데칼코마니) R4: "María" (마리아) | Yeo Soo-jin | Seok Ji-soo | Kim Roo-ah | Yoo Joo-yi | Lee Soo-bin | Hwasa |
| 8 | September 25, 2020 | Kim Jong-kook (Turbo) (Rematch) | Joo Young-hoon, Song Eun-i, Kim Jung-nam (Turbo), Cha Tae-hyun, Chae Yeon, Shin Bong-sun, Moon Se-yoon, Yang Se-chan, Go Woo-ri, DinDin, (G)I-dle (Miyeon, Minnie, Soyeon, Yuqi), Letteamor | R1: "My Childhood Dream" (나 어릴적 꿈) R2: "Twist King" R3: "Black Cat Nero" (검은 고양이 네로) R4: "Jazz Bar" (어느 째즈바) | Park Woo-jae | Gong Min-soo | Jang Tae-won | Kim Min-kyu | Jo Joon-ho | Kim Jong-kook |
| 9 | October 2, 2020 | Seol Woon-do [ko] | Kim Young-ok, Woo Yeon-yi [ko], Jo Hye-ryun, Song Eun-i, Go Jae-geun [ko], Lee Hee-jin, Jo Eun-sae [ko], Shin Bong-sun, Noel (Jeon Woo-sung, Kang Kyun-sung), Moon Se-yoon, Ryu Ji-kwang [ko], Shin In-seon [ko], DinDin, Kim Soo-chan [ko], April (Chaekyung, Naeun, Rachel), Hong Jam-eon [ko] | R1: "Everybody Cha Cha Cha" (다함께 차차차) R2: "Twist of Love" (사랑의 트위스트) R3: "Woman of Samba" (쌈바의 여인) R4: "Purple-Colored Postcard" (보라빛 엽서) | Son Bin-ah | Park Sang-woon | Lee Hyun-seung | Park Jin-hyun | Han Sang-gwi | Seol Woon-do [ko] |
| 10 | October 9, 2020 | Jang Yoon-jeong (Rematch) | Lee Kye-in, Park Jung-soo, Song Eun-i, Jo Young-soo [ko], Jang Minho, Kim Hwan [ko], Shin Bong-sun, Moon Se-yoon, Oh Jeong-yeon [ko], Young Tak, DinDin, Kim Hee-jae [ko], Kassy, Lee Chan-won, Oh My Girl (Mimi, YooA, Jiho, Binnie), Super Five [ko] | R1: "Jjan Jja Ra" (짠짜라) R2: "Flower" (꽃) R3: "Girl Next Door" (옆집 누나) R4: "Local Train for Mokpo" (목포행 완행열차) | Shin Eun-seo | Kim Gyu-ri | Kim Soo-hyun | Jang Seung-mi | Kim Da-na [ko] | Jang Yoon-jeong |
| 11 | October 16, 2020 | Kim Wan-sun | Hur Jae, Son Mu-hyeon [ko], Song Eun-i, Kim Jung-nam (Turbo), Kang Sung-yeon, Bruno Bruni Jr. [ko], Sook Haeng [ko], Shin Bong-sun, Shin Ji (Koyote), Moon Se-yoon, Park Shin-young [ko], DinDin, Fromis 9 (Lee Sae-rom, Song Ha-young, Jang Gyu-ri, Lee Na-gyung), Purple Rain | R1: "Tonight" (오늘밤) R2: "The Pierrot Laughs at Us" (삐에로는 우릴 보고 웃지) R3: "Let's Forget About It" (이젠 잊기로 해요) R4: "Dance in the Rhythm" (리듬 속의 그 춤을) | Kim Chae-won | Maria Elizabeth Leise | Lee Da-hyun | Sung Yoo-bin | Kim Eun-young | Kim Wan-sun |
| 12 | October 23, 2020 | Jang Beom-june | Kim Soo-ro, Park Myung-soo, Kang Sung-jin, Song Eun-i, Kim Tae-jin [ko], Shin Bong-sun, Moon Se-yoon, Hong Isaac, Kim Ji-sook, Jo Hyun-young [ko], DinDin, Zai.Ro, Weki Meki (Ji Su-yeon, Elly, Choi Yoo-jung, Kim Do-yeon), Bandage | R1: "Cherry Blossom Ending" (벚꽃 엔딩) R2: "Your Shampoo Scent in the Flowers" (흔들리는 꽃들 속에서 네 샴푸향이 느껴진거야) R3: "Karaoke" (노래방에서) R4: "Yeosu Night Sea" (여수 밤바다) | Lee Jae-ho | Jang Beom-june | Song Ji-hoon, Yoo Min-sang | — | Kim Ga-ram | Pyeon Hae-joon |
| 13 | October 30, 2020 | Lee So-ra | Lee Hye-jung [ko], Jung Ji-chan [ko], Song Eun-i, Lee Soo-young, Shin Bong-sun, Lyn, Moon Se-yoon, Park Ki-woong, Henry Lau, DinDin, Hoppipolla, Jung Seung-hwan, Lee Su-hyun (AKMU), Lunarsolar | R1: "Song Request" (신청곡) R2: "Please" (제발) R3: "Proposal" (청혼) R4: "The Wind is Blowing" (바람이 분다) | Park Jin-ah | Lee Ah-ri | Jo Hye-jin | Kwon Soon-il (Male) | Kim Eun-joo | Lee So-ra |

### King of Kings' Challenge

| Episode # | Air date/ References | Panel | Panel | Panel | Participants | Participants | Participants | Participants |
| 14–15 | November 6, 2020 – November 13, 2020 | Kim Wan-sun, Song Eun-i, Kim Won-jun, Baek Ji-young, Shin Bong-sun, Moon Se-yoon, Song Min-kyo [ko], Kang Ji-young [ko], DinDin, Ham Yeon-ji [ko], Yezi, NU'EST (JR, Aron), April (Chaewon, Jinsol), Duetto, Elris (Bella, Hyeseong, Sohee), Stray Kids (Lee Know, Hyunjin), Cignature (Jeewon, Belle, Semi), Treasure (Junkyu, Yedam, Jeongwoo) Special: Bada and Choi So-hyun | Kim Wan-sun, Song Eun-i, Kim Won-jun, Baek Ji-young, Shin Bong-sun, Moon Se-yoon, Song Min-kyo [ko], Kang Ji-young [ko], DinDin, Ham Yeon-ji [ko], Yezi, NU'EST (JR, Aron), April (Chaewon, Jinsol), Duetto, Elris (Bella, Hyeseong, Sohee), Stray Kids (Lee Know, Hyunjin), Cignature (Jeewon, Belle, Semi), Treasure (Junkyu, Yedam, Jeongwoo) Special: Bada and Choi So-hyun | Kim Wan-sun, Song Eun-i, Kim Won-jun, Baek Ji-young, Shin Bong-sun, Moon Se-yoon, Song Min-kyo [ko], Kang Ji-young [ko], DinDin, Ham Yeon-ji [ko], Yezi, NU'EST (JR, Aron), April (Chaewon, Jinsol), Duetto, Elris (Bella, Hyeseong, Sohee), Stray Kids (Lee Know, Hyunjin), Cignature (Jeewon, Belle, Semi), Treasure (Junkyu, Yedam, Jeongwoo) Special: Bada and Choi So-hyun | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) |
| 14–15 | Stage # | Participant | Singer | Song | Votes | Votes | Votes | Rank |
| 14–15 | Stage # | Participant | Singer | Song | Panel (out of 300) | Viewers (out of 1700) | Total | Rank |
| 14–15 | 1 | Park Sung-il | Kim Won-jun | "Show" | 277 | 1323 | 1600 | 11 |
| 14–15 | 2 | Kim Eun-joo | Lee So-ra | "Please" (제발) | 276 | 1415 | 1691 | 8 |
| 14–15 | 3 | Pyeon Hae-joon | Jang Beom-june | "Yeosu Night Sea" (여수 밤바다) | 295 | 1601 | 1896 | 2 |
| 14–15 | 4 | Han Sang-gwi | Seol Woon-do [ko] | "Purple-Colored Postcard" (보라빛 엽서) | 277 | 1386 | 1663 | 10 |
| 14–15 | 5 | Kim Eun-young | Kim Wan-sun | "Dance in the Rhythm" (리듬 속의 그 춤을) | 287 | 1476 | 1763 | 5 |
| 14–15 | 6 | Ahn Yi-sook | Kim Yeon-ja [ko] | "Amor Fati" (아모르 파티) | 285 | 1528 | 1813 | 4 |
| 14–15 | 7 | Lee Soo-bin | Hwasa | "María" (마리아) | 269 | 1272 | 1541 | 12 |
| 14–15 | 8 | Kim Da-na [ko] | Jang Yoon-jeong | "Jjan Jja Ra" (짠짜라) | 281 | 1421 | 1702 | 7 |
| 14–15 | 9 | Kim Wan-joon | Jin Sung [ko] | "At Andong Station" (안동역에서) | 283 | 1400 | 1683 | 9 |
| 14–15 | 10 | Kim Hyun-woo | Rain | "Love Song" (널 붙잡을 노래) | 294 | 1629 | 1923 | 1 |
| 14–15 | 11 | Jung Yoo-mi | Baek Ji-young | "Don't Forget" (잊지 말아요) | 289 | 1557 | 1846 | 3 |
| 14–15 | 12 | Jo Joon-ho | Kim Jong-kook | "One Man" (한 남자) | 273 | 1431 | 1704 | 6 |
| Special performance: Im Chang-jung – "Love Should Not Be Harsh on You" (힘든건 사랑이 아니다) ||||||||

## Season 7
### Regular episodes

| Episode # | Air Date | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Round 4 | Round 4 | Round 4 |
| Episode # | Air Date | Singer | Panel of Celebrities | Song | Round 1 | Round 2 | Round 3 | Third place | Runner-up | Winner |
| 1 | August 19, 2022 | Lena Park (Rematch) | Yoon Jong-shin, Song Eun-i, Hareem [ko], Nam Chang-hee [ko], Young Tak, Solbi, Park Seul-gi [ko], Paul Kim, Hoppipolla, Gree, Billlie (Haram, Tsuki, Sheon) | R1: "I'll Write You a Letter" (편지할게요) R2: "You Mean Everything To Me" R3: "A Stray Child" (미아) R4: "Love, Again" (다시 사랑이) | Park Jae-in | Cheon Ji-won | Kim Hye-bin | Cho Min-hee | Yu Min-ji [ko] | Lena Park |
| 2 | August 26, 2022 | Sunmi | Sunwoo Yong-nyeo, Kim Soo-yong [ko], Jo Hye-ryun, Hong Seok-cheon, Song Eun-i, Nam Chang-hee [ko], Jo Kwon (2AM), Kim Min-ah, Cha Hyun-seung, La Poem, Oh My Girl (YooA, Yubin), Gree, WEi (Yoo Yong-ha, Kim Yo-han, Kang Seok-hwa) | R1: "Full Moon" (보름달) R2: "Gashina" (가시나) R3: "24 Hours" (24시간이 모자라) R4: "Siren" (사이렌) | Park Hye-joo | Kim Ji-yoon | Sunmi | Hondam | Saebom | Park Jin-ju |
| 3 | September 2, 2022 | Kim Min-jong | Lee Geung-young, Kim Soo-ro, Son Ji-chang, Jo Hye-ryun, Song Eun-i, Shin Bong-sun, Kim Min-ah, Raiden (DJ), Nam Chang-hee [ko], Gree, Kep1er (Kim Da-yeon, Ezaki Hikaru, Kang Ye-seo) | R1: "Under the Sky" (하늘 아래서) R2: "Kind Love" (착한 사랑) R3: "With You" (그대와 함께) R4: "Beautiful Pain" (아름다운 아픔) | Lee Sang-hak | Jung Joo-young | Kim Young-hoon | Kim Chan | Park Sang-hyuk | Kim Min-jong |
| 4 | September 9, 2022 | Song Ga-in | Song Eun-i, Nam Chang-hee [ko], Gree, Jin Sung [ko], Kim Kyung-ho, Kwak Dong-hyun, Lee Kye-in, Kim Da-hyun, Kim Tae-yeon, Park Jung-soo, Park Seul-gi [ko], La Poem, Shin Ji (Koyote), Navi [ko], Sook Haeng [ko] | R1: "Bitter Daedong River" (한 많은 대동강) R2: "Ga-in" (가인이어라) R3: "Mom Arirang" (엄마 아리랑) R4: "Moon of Seoul" (서울의 달) | Park Sa-rang | Kim Yoon-ju | Hong Ji-yun [ko] | Choi Na-ri | Song Ga-in | Park Sung-On (Male) |
| 5 | September 16, 2022 | Kyuhyun (Super Junior) | Song Eun-i, Nam Chang-hee [ko], Gree, Changmin (TVXQ), Min-ho (Shinee), Suho (Exo), Super Junior (Eunhyuk, Ryeowook), Soyou, Hong Ji-yun [ko], Jo Hye-ryun, Lapillus (Chanty, Shana, Haeun), Whang Soo-kyeong [ko], Kang Soo-jung [ko] | R1: "Confession Is Not Flashy" (화려하지 않은 고백) R2: "At Gwanghwamun" (광화문에서) R3: "U" R4: "The Moment My Heart Flinched" (내 마음이 움찔했던 순간) | Lee Jung-hoon | Kyuhyun | Na Hui, Chan Hui | — | Lee Se-heon | Lee Shin |
| 6 | September 23, 2022 | Choi Jung-hoon (Jannabi) | Song Eun-i, Nam Chang-hee [ko], Gree, Kim Kwang-kyu, Hynn, Lee Eun-ji [ko], Lee Sang-jun, Yoon Yoo-sun, Crying Nut, Kim Ji-sook, Heo Young-ji, Heo Song-Yeon [ko], Narsha, Hong Ji-yun [ko], Jannabi (Kim Do-hyung), Nmixx (Lily, Haewon, Bae) | R1: "She" R2: "For Lovers Who Hesitate" (주저하는 연인들을 위해) R3: "Baby I Need You" (사랑하긴 했었나요 스쳐가는 인연이었나요 짧지않은 우리 함께했던 시간들이 자꾸 내 마음을 가둬두네) R4: "Summer" (뜨거운 여름밤은 가고 남은 건 볼품없지만) | Kim Joon | Kim Hyun-san | Park Kun-woo, Choi Jung-hoon | — | Yoo Do-yoon | Choi Jin-won |
| 7 | September 30, 2022 | Uhm Jung-hwa | Song Eun-i, Nam Chang-hee [ko], Gree, Joo Young-hoon, Joon Park, Koyote(Kim Jong-min, Shin Ji), La Poem, Yoo Hee-kwan, Aiki [ko], Yoon Hye-jin [ko], Hong Ji-yun [ko], Shim Soo-chang, Danny Koo [ko], Babylon, Sumin [ko] | R1: "Rose of Betrayal" (배반의 장미) R2: "Invitation" (초대) R3: "Poison" R4: "Ending Credit" | Yutsuki Uchimura | Ahn So-hyun | Ko Ye-rin | Im Soo-min | Choi Yu-mi | Uhm Jung-hwa |
| 8 | October 7, 2022 | Jessi | Song Eun-i, Nam Chang-hee [ko], Gree, Hong Ji-yun [ko], Sunwoo Yong-nyeo, Lee Guk-joo, Pung-ja, Lee Eun Hyung [ko], Lee Chae-yeon, Kang Jae-jun [ko], La Poem, Kanto, Shorry, Billlie (Moon Sua, Siyoon, Sheon), DKZ (Kyoungyoon, Jonghyeong) | R1: "What Type of X" (어떤X) R2: "Ssenunni" (쎈언니) R3: "Life Is Good" (인생은 즐거워) R4: "Nunu Nana" (눈누난나) | Choi Ye-eun | Kim Min-young | Lee Jung-eum | Kwon Yoon-sul | Cho Ha-yool | Jessi |
| 9 | October 14, 2022 | Shin Yong-jae [ko] | Song Eun-i, Gree, Lee Hye-jeong [ko], Yoon Min-soo, Lee Bo-ram, 2F [ko] (Kim Won-joo [ko]), Shinji, Seo Ji-seok, Lee Hyun-yi [ko], 4Men (Joseph, Hanbin), Kardi, Song Hae-na [ko], Lee Sung-jong, Baekho, JWiiver | R1: "Baby Baby" R2: "Can't" (못해) R3: "Reason" (이유) R4: "The Reason I Became a Singer" (가수가 된 이유) | Kim Soo-ri | Lee Ho-seung | Moon Jong-min | Haeun | Kim Dong-hyun | Shin Yong-jae [ko] |
| 10 | October 21, 2022 | Young Tak | Song Eun-i, Nam Chang-hee [ko], Gree, Hong Ji-yun [ko], Greg, Jung Dong-won [ko], La Poem, Shin In-Seon [ko], Jang Dong-min, Kim Jung-min, Bang Eun-hee, Jung Sung-ho [ko], Cosmic Girls (Subin, Eunseo, Seola), (Je Chong, Daison, Park Joon-young, Kim Jin-ho) | R1: "Nuna You're Perfect" (누나가 딱이야) R2: "Why Are You Coming Out From There" (니가 왜 거기서 나와) R3: "Comforter" (이불) R4: "Pitiful" (찐이야) | Ha Dong-geun | Song Geun-an | Kang Dae-woong | Oh Hye-bin | Kim Hwi-suk | Young Tak |
| 11 | October 28, 2022 | Noh Sa-yeon | Song Eun-i, Nam Chang-hee [ko], Hong Ji-yun [ko], Lee Chan-won, Ji Sang-ryeol, Insooni, Jung Joon-ho, Noh Sa-bong, Alberto Mondi, Julian Quintart, Kim Woo-joong, Baek A-yeon, Kim Min-ah, Weeekly (Monday, Jihan, Zoa), CSR (Sua, Duna, Yeham) | R1: "The Meeting" (만남) R2: "Wish" (바램) R3: "In Circle" (돌고 돌아가는 가는길) R4: "Love" (사랑) | Cha Woo-ri | Jang Mi-young | Noh Sa-yeon | Shin Min-jae (Male) | Kim Myeng-Sun | Kim Ye-jin |
| 12 | November 4, 2022 | Late Kim Hyun-sik | Song Eun-i, Nam Chang-hee [ko], Gree, Hong Ji-yun [ko], La Poem, Kim Jong-jin (Bom Yeoreum Gaeul Kyeoul), Kwon In-ha [ko], Baek Ji-young, Lyn, Jonathan Yiombi, CNEMA [ko], Park Chang-Geun [ko], Lee Solomon [ko], Sole [ko], Queenz Eye (Damin, Wonchae, Narin) | R1: "Making Memories" (추억 만들기) R2: "Like Rain, Like Music" (비처럼 음악처엄) R3: "Love Love Love" (사랑 사랑 사랑) R4: "My Love By My Side" (내 사랑 내 곁에) | Bang Won-sik | Kim Jung-su | Yang Kyung-jin | Kim Gwi-Oh | Kim Jong-han | Kim Hyun-sik |

### King of Kings' Challenge

| Episode # | Air date | Panel | Panel | Panel | Participants | Participants | Participants | Participants |
| 13–14 | November 11, 2022 – November 18, 2022 | Song Eun-i, Nam Chang-hee [ko], Gree, La Poem, Im Chang-jung, Kim Min-jong, Jannabi (Choi Jung-hoon, Kim Do-hyung), Yoo Hee-kwan, Jang Ye-eun, Shim So-young, Parc Jae-jung, Ahn Young-mi, Pung-ja, Classy (Chaewon, Boeun, Seonyou), Mimiirose | Song Eun-i, Nam Chang-hee [ko], Gree, La Poem, Im Chang-jung, Kim Min-jong, Jannabi (Choi Jung-hoon, Kim Do-hyung), Yoo Hee-kwan, Jang Ye-eun, Shim So-young, Parc Jae-jung, Ahn Young-mi, Pung-ja, Classy (Chaewon, Boeun, Seonyou), Mimiirose | Song Eun-i, Nam Chang-hee [ko], Gree, La Poem, Im Chang-jung, Kim Min-jong, Jannabi (Choi Jung-hoon, Kim Do-hyung), Yoo Hee-kwan, Jang Ye-eun, Shim So-young, Parc Jae-jung, Ahn Young-mi, Pung-ja, Classy (Chaewon, Boeun, Seonyou), Mimiirose | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) | The regular episodes' last survivors (excluded the singers) |
| 13–14 | Stage # | Participant | Singer | Song | Votes | Votes | Votes | Rank |
| 13–14 | Stage # | Participant | Singer | Song | Panel (out of 250) | Viewers (out of 1750) | Total (out of 2000) | Rank |
| 13–14 | 1 | Yu Min-ji [ko] | Lena Park | "In the Dream" (꿈에) | 242 | 1610 | 1852 | 5 |
| 13–14 | 2 | Park Jin-ju | Sunmi | "Siren" (사이렌) | 220 | 1292 | 1512 | 12 |
| 13–14 | 3 | Park Sang-hyuk | Kim Min-jong | "Kind Love" (착한 사랑) | 241 | 1566 | 1807 | 7 |
| 13–14 | 4 | Park Sung-On | Song Ga-in | "Moon of Seoul" (서울의 달) | 242 | 1707 | 1949 | 1 |
| 13–14 | 5 | Lee Shin | Kyuhyun | "At Gwanghwamun" (광화문에서) | 224 | 1495 | 1719 | 10 |
| 13–14 | 6 | Choi Jin-won | Choi Jung-hoon | "For Lovers Who Hesitate" (주저하는 연인들을 위해) | 248 | 1691 | 1939 | 2 |
| 13–14 | 7 | Choi Yu-mi | Uhm Jung-hwa | "Poison" | 241 | 1505 | 1746 | 9 |
| Choi Jung-hoon's re-challenge ||||||||
| 13–14 | Room # | Singer & Participant | Singer & Participant | Song | Votes (out of 199) | Votes (out of 199) | Votes (out of 199) | Votes (out of 199) |
| 13–14 | 1 | Yoo Do-yoon | Yoo Do-yoon | "A Thought on an Autumn Night" (가을밤에 든 생각) | 10 | 10 | 10 | 10 |
| 13–14 | 2 | Park Kun-woo | Park Kun-woo | "A Thought on an Autumn Night" (가을밤에 든 생각) | 2 | 2 | 2 | 2 |
| 13–14 | 3 | Choi Jung-hoon | Choi Jung-hoon | "A Thought on an Autumn Night" (가을밤에 든 생각) | 45 | 45 | 45 | 45 |
| 13–14 | 4 | Kim Hyun-san | Kim Hyun-san | "A Thought on an Autumn Night" (가을밤에 든 생각) | 81 | 81 | 81 | 81 |
| 13–14 | 5 | Choi Jin-won | Choi Jin-won | "A Thought on an Autumn Night" (가을밤에 든 생각) | 42 | 42 | 42 | 42 |
| 13–14 | 6 | Kim Joon | Kim Joon | "A Thought on an Autumn Night" (가을밤에 든 생각) | 19 | 19 | 19 | 19 |
| Special performance: Choi Jung-hoon and impersonators - "Baby I Need You" (사랑하긴 했었나요 스쳐가는 인연이었나요 짧지않은 우리 함께했던 시간들이 자꾸 내 마음을 가둬두네) ||||||||
| 13–14 | Stage # | Participant | Singer | Song | Votes | Votes | Votes | Rank |
| 13–14 | Stage # | Participant | Singer | Song | Panel (out of 250) | Viewers (out of 1750) | Total (out of 2000) | Rank |
| 13–14 | 8 | Cho Ha-yool | Jessi | "Ssenunni" (쎈언니) | 244 | 1627 | 1871 | 4 |
| 13–14 | 9 | Kim Dong-hyun | Shin Yong-jae [ko] | "The Reason I Became A Singer" (가수가 된 이유) | 237 | 1474 | 1711 | 11 |
| 13–14 | 10 | Kim Hwi-suk | Young Tak | "Pitiful" (찐이야) | 238 | 1533 | 1771 | 8 |
| 13–14 | 11 | Kim Ye-jin | Noh Sa-yeon | "Wish" (바램) | 245 | 1685 | 1930 | 3 |
| 13–14 | 12 | Kim Jong-han | Late Kim Hyun-sik | "Like Rain, Like Music" (비처럼 음악처럼) | 244 | 1578 | 1822 | 6 |
| Special performance: Kim Min-jong and impersonators - "White Longing" (하얀 그리움) ||||||||

## Ratings

In the ratings below, the highest rating for each season will be in red, and the lowest rating for the show will be in blue each for each season.

### Season 1

| AGB Nielsen | Pilot | Pilot | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes |
| AGB Nielsen | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| Nationwide | % | % | 1.095% | 1.443% | 1.585% | 2.262% | 2.017% | 4.327% | % | 3.707% | 4.003% | 4.421% | 4.168% | 4.591% | % | 4.017% | 4.282% |

### Season 2

| AGB Nielsen | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes |
| AGB Nielsen | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Nationwide | 3.508% | 4.368% | 5.137% | 4.748% | 5.470% | 4.198% | 5.515% | 5.422% | 4.873% | 6.347% | 4.270% | 6.347% | 4.413% | 5.891% | 6.904% | 8.616% |

### Season 3

| AGB Nielsen | Special episodes | Special episodes | Special episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes |
| AGB Nielsen | Begin 1 | Begin 2 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Nationwide | 1.867% | 2.342% | 4.317% | 7.181% | 5.548% | 5.562% | 5.415% | 5.750% | 4.257% | 5.536% | 5.945% | 4.695% | 5.183% | 5.608% | 3.933% | 5.762% | 5.794% | 6.146% | 5.575% |

### Season 4

| AGB Nielsen | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes |
| AGB Nielsen | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| Nationwide | 4.866% | 4.499% | 4.054% | 4.145% | 4.369% | 4.700% | 3.600% | 5.000% | 6.800% | 5.432% | 4.604% | 4.877% | <2.616% | 4.383% | 4.571% | 5.215% |
| Seoul Capital Area | 5.664% | 4.924% | 4.118% | 4.948% | 4.887% | 4.800% | 3.600% | 5.700% | 7.100% | 5.991% | 4.699% | 5.568% | 2.556% | 4.832% | 5.052% | 5.518% |

### Season 5

| Ratings | Ratings | Special | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes |
| Ratings | Ratings | Special | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| AGB | Nationwide | 3.684% | 5.481% | 5.383% | 7.916% | 6.905% | 7.339% | 4.399% | 7.229% | 6.378% | 5.372% | 7.537% | 5.086% | 5.469% | 3.920% | 5.802% | 5.141% | 3.900% | 4.020% |
| AGB | Seoul | 4.400% | 6.022% | 5.691% | 8.765% | 8.228% | 7.678% | 5.176% | 7.991% | 6.846% | 6.390% | 8.492% | 5.682% | 6.414% | 4.467% | 6.393% | 5.321% | 4.287% | 4.781% |
| TNmS | Nationwide | — | 6.4% | 5.4% | 8.1% | 7.8% | 7.7% | 5.6% | 8.6% | 8.1% | 6.3% | 8.0% | 5.9% | 6.8% | 4.9% | 6.8% | 5.6% | 4.9% | 4.6% |

### Season 6

| AGB Nielsen | Special | Special | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes |
| AGB Nielsen | 0 | 7 | 1 | 2 | 3 | 4 | 5 | 6 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| Nationwide | 4.594% | 2.826% | 8.306% | 5.026% | 7.097% | 9.648% | 7.640% | 5.545% | 3.922% | 5.789% | 8.652% | 5.180% | 4.151% | 4.618% | 3.718% | 3.877% |
| Seoul | 4.493% | 2.955% | 8.272% | 5.556% | 7.589% | 10.302% | 8.770% | 5.861% | 4.017% | 5.716% | 8.177% | 5.868% | 4.215% | 4.893% | 3.989% | 3.797% |

### Season 7

| AGB Nielsen | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes | Regular episodes |
| AGB Nielsen | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 |
| Nationwide | 3.880% | 2.699% | 3.235% | 6.308% | 3.425% | 3.595% | 4.275% | 3.118% | 3.885% | 5.327% | 4.594% | 4.257% | 3.664% | 3.966% |
| Seoul | 3.846% | 2.832% | 3.525% | 5.834% | 3.811% | 3.939% | 4.816% | 3.534% | 4.543% | 5.176% | 4.289% | 4.272% | 3.950% | 3.878% |
Note: This program airs on a cable channel/pay TV which normally has a relatively smaller audience compared to free-to-air TV/public broadcasters (KBS, SBS, MBC and EBS).