# List of King of Mask Singer episodes (2020)

This is a list of episodes of the South Korean variety-music show King of Mask Singer in 2020. The show airs on MBC as part of their Sunday Night lineup. The names listed below are in performance order.
    – Contestant is instantly eliminated by the live audience and judging panel
    – After being eliminated, contestant performs a prepared song for the next round and takes off their mask during the instrumental break
    – After being eliminated and revealing their identity, contestant has another special performance.
    – Contestant advances to the next round.
    – Contestant becomes the challenger.
    – Mask King.

## Episodes
### 118th Generation Mask King (cont.)

* Contestants: Greg Priester [ko], DDotty [ko], Kang Seung-sik (Victon), Choi Jeong-hwan [ko] (M To M [ko]), Naeun (April), Oh Jeong-yeon [ko], Harisu, Park Bom
Episode 236 was broadcast on January 5, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Hold Your Course | Greg Priester | A Shot of Soju (소주 한 잔) | Im Chang-jung | 42 |
| Pair 1 | Bruce Lee | Choi Jeong-hwan of M To M | Severely (지독하게) | F.T. Island | 57 |
| Pair 2 | Lemon | Naeun of April | Tears (눈물) | Riaa [ko] | 42 |
| Pair 2 | 2020 is Coming | Park Bom | As Time Goes By (시간이 흐른 뒤) | Yoon Mi-rae | 57 |
| Round 3 ||||||
| Finalists | Bruce Lee | Choi Jeong-hwan of M To M | Don't Go Today (오늘은 가지마) | Im Se-joon [ko] | 56 |
| Finalists | 2020 is Coming | Park Bom | Another Start (또 다른 시작) | Seo Ji-won [ko] | 43 |
| Final ||||||
| Battle | Bruce Lee | Choi Jeong-hwan of M To M | Previous three songs used as voting standard | Previous three songs used as voting standard | 12 |
| Battle | Sweet 18 | So Chan-whee | Dope (쩔어) | BTS | 87 |

### 119th Generation Mask King

* Contestants: Chanmi (AOA), Ahn Hye-kyung [ko], Pyo In-bong [ko], Kim Young-min (1980 singer) [ko] (Taesaja [ko]), Jihoo (IZ), Kang Hyung-ho (Forestella), Jung Yi-han (singer) [ko] (The Nuts [ko]), Ahn Mi-na [ko]

#### Episode 237

Episode 237 was broadcast on January 12, 2020. This marks the beginning of the Hundred-nineteenth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Hotteok | Chanmi of AOA | Tell Me You Love Me (좋다고 말해) | Bolbbalgan4 | 61 |
| Pair 1 | Roasted Sweet Potato | Ahn Hye-kyung | Tell Me You Love Me (좋다고 말해) | Bolbbalgan4 | 38 |
| 2nd Song | Roasted Sweet Potato | Ahn Hye-kyung | Come on Baby Tonight (늘 지금처럼) | Lee Ye-rin [ko] | — |
| Pair 2 | Central Park | Pyo In-bong | Standing in the Shades of Tree (가로수 그늘 아래 서면) | Lee Moon-sae | 31 |
| Pair 2 | Tapgol Park | Kim Young-min of Taesaja | Standing in the Shades of Tree (가로수 그늘 아래 서면) | Lee Moon-sae | 68 |
| 2nd Song | Central Park | Pyo In-bong | It's too Late (너무 늦었잖아요) | Byun Jin-sub | — |
| Pair 3 | Ginseng Digger | Jihoo of IZ | Let It Go (Frozen OST) | Idina Menzel | 59 |
| Pair 3 | Ginseng | Kang Hyung-ho of Forestella | Let It Go (Frozen OST) | Idina Menzel | 40 |
| 2nd Song | Ginseng | Kang Hyung-ho of Forestella | Sad Beatrice (슬픈 베아트리체) | Cho Yong-pil | — |
| Pair 4 | Mouse | Jung Yi-han of The Nuts | Place Where You Need to Be (니가 있어야 할 곳) | g.o.d | 72 |
| Pair 4 | Rat | Ahn Mi-na | Place Where You Need to Be (니가 있어야 할 곳) | g.o.d | 27 |
| 2nd Song | Rat | Ahn Mi-na | One Love | 1TYM | — |

#### Episode 238

Episode 238 was broadcast on January 19, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Hotteok | Chanmi of AOA | Holiday | Suzy ft. DPR Live | 28 |
| Pair 1 | Tapgol Park | Kim Young-min of Taesaja | For Our Precious Love (아껴둔 사랑을 위해) | Lee Joo-won [ko] | 71 |
| Pair 2 | Ginseng Digger | Jihoo of IZ | You Touched My Heart (넌 감동이었어) | Sung Si-kyung | 52 |
| Pair 2 | Mouse | Jung Yi-han of The Nuts | Clockwork (시계 태엽) | Lim Jeong-hee | 47 |
| Round 3 ||||||
| Finalists | Tapgol Park | Kim Young-min of Taesaja | Rain | Lee Juck | 45 |
| Finalists | Ginseng Digger | Jihoo of IZ | Love is Like a Snowflake (사랑은 눈꽃처럼) | Xia Junsu | 54 |
| Special | Tapgol Park | Kim Young-min of Taesaja | The Way (도) & Time | Taesaja [ko] | — |
| Final ||||||
| Battle | Ginseng Digger | Jihoo of IZ | Previous three songs used as voting standard | Previous three songs used as voting standard | 22 |
| Battle | Sweet 18 | So Chan-whee | Here, I Stand for You | N.EX.T | 77 |

### 120th Generation Mask King

* Contestants: Son Ho-young (g.o.d), Euijin [ko] (Sonamoo), Jang Gwang, Kim Young-chul, Lee Jae-yoon (singer) (SF9), Punchnello, Jung Mi-ae [ko], Kang Hyun-jeong (Bubble Sisters [ko])

#### Episode 239

Episode 239 was broadcast on January 26, 2020. This marks the beginning of the Hundred-twentieth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Rice Cake Soup | Son Ho-young of g.o.d | I Believe | Shin Seung-hun | 53 |
| Pair 1 | Hong-Dong White Paper | Euijin of Sonamoo | I Believe | Shin Seung-hun | 46 |
| 2nd Song | Hong-Dong White Paper | Euijin of Sonamoo | Just Like Yesterday (어제처럼) | J.ae | — |
| Pair 2 | Choi Bool-am | Jang Gwang | The Private's Letter (이등병의 편지) | Kim Kwang-seok, Kim Hyun-sung | 57 |
| Pair 2 | Welsh Onion | Kim Young-chul | The Private's Letter (이등병의 편지) | Kim Kwang-seok, Kim Hyun-sung | 42 |
| 2nd Song | Welsh Onion | Kim Young-chul | When My Loneliness Calls You (나의 외로움이 널 부를 때) | Jang Pil-soon [ko] | — |
| Pair 3 | Hapjeong Station Exit 5 | Jaeyoon of SF9 | Bravo, My Life! | Bom Yeoreum Gaeul Kyeoul | 70 |
| Pair 3 | Sinchon Station Exit 1 | Punchnello | Bravo, My Life! | Bom Yeoreum Gaeul Kyeoul | 29 |
| 2nd Song | Sinchon Station Exit 1 | Punchnello | She Is | Clazziquai | — |
| Pair 4 | American Hotdog | Jung Mi-ae | Music Is My Life | Lim Jeong-hee | 60 |
| Pair 4 | Korean Hotdog | Kang Hyun-jeong of Bubble Sisters | Music Is My Life | Lim Jeong-hee | 39 |
| 2nd Song | Korean Hotdog | Kang Hyun-jeong of Bubble Sisters | No.1 | BoA | — |

#### Episode 240

Episode 240 was broadcast on February 2, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Rice Cake Soup | Son Ho-young of g.o.d | All of My Life | Park Won [ko] | 66 |
| Pair 1 | Choi Bool-am | Jang Gwang | Cafe of the Winter (그 겨울의 찻집) | Cho Yong-pil | 33 |
| Pair 2 | Hapjeong Station Exit 5 | Jaeyoon of SF9 | The Fool (이 바보야) | Jung Seung-hwan | 26 |
| Pair 2 | American Hotdog | Jung Mi-ae | Moon's Fall (달의 몰락) | Kim Hyun-chul [ko] | 73 |
| Round 3 ||||||
| Finalists | Rice Cake Soup | Son Ho-young of g.o.d | The Snowman (눈사람) | Jung Seung-hwan | 28 |
| Finalists | American Hotdog | Jung Mi-ae | Again (그때 또 다시) | Im Chang-jung | 71 |
| Special | Rice Cake Soup | Son Ho-young of g.o.d | To Mother (어머님께) + Saturday Night + One Candle (촛불하나) | g.o.d | — |
| Final ||||||
| Battle | American Hotdog | Jung Mi-ae | Previous three songs used as voting standard | Previous three songs used as voting standard | 45 |
| Battle | Sweet 18 | So Chan-whee | You Are My Everything | Gummy | 54 |

### 121st Generation Mask King

* Contestants: Oh Seung-hee [ko] (CLC), Kim Hyung-mook [ko], Dayoung [ko] (Cosmic Girls), Kim Se-jin, Jo Jin-soo [ko] (Zam [ko]), Geum Bi [ko] (Turtles), Heechul (Super Junior), Song Hae-na [ko]

#### Episode 241

Episode 241 was broadcast on February 9, 2020. This marks the beginning of the Hundred-twenty-first Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Mojito | Seunghee of CLC | Drunken Truth (취중진담) | Exhibition [ko] | 62 |
| Pair 1 | Maldives | Kim Hyung-mook | Drunken Truth (취중진담) | Exhibition [ko] | 37 |
| 2nd Song | Maldives | Kim Hyung-mook | Thanks (감사) | Kim Dong-ryul | — |
| Pair 2 | Brachiosaurus | Dayoung of Cosmic Girls | My Only Friend (나만의 친구) | Solid | 64 |
| Pair 2 | Tyrannosaurus | Kim Se-jin | My Only Friend (나만의 친구) | Solid | 35 |
| 2nd Song | Tyrannosaurus | Kim Se-jin | Redevelopment of Love (사랑의 재개발) | Yoo San-seul | — |
| Pair 3 | Dynamic Signature | Jo Jin-soo of Zam | Even Though My Heart Aches (가슴 아파도) | Fly to the Sky | 56 |
| Pair 3 | Toothpaste | Geum Bi of Turtles | Even Though My Heart Aches (가슴 아파도) | Fly to the Sky | 43 |
| 2nd Song | Toothpaste | Geum Bi of Turtles | Warning of the Eve (이브의 경고) | Park Mi-kyung [ko] | — |
| Pair 4 | Generation X | Heechul of Super Junior | Affection (정) | Young Turks Club | 69 |
| Pair 4 | X-File | Song Hae-na | Affection (정) | Young Turks Club | 30 |
| 2nd Song | X-File | Song Hae-na | Scent of Time (시간 속의 향기) | Kang Susie | — |

#### Episode 242

Episode 242 was broadcast on February 16, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Mojito | Seunghee of CLC | Beautiful Woman (미인) | Lee Ki-chan | 25 |
| Pair 1 | Brachiosaurus | Dayoung of Cosmic Girls | Come Back Home | 2NE1 | 74 |
| Pair 2 | Dynamic Signature | Jo Jin-soo of Zam | I'm Yours (애모) | Kim Soo-hee | 33 |
| Pair 2 | Generation X | Heechul of Super Junior | Last Concert (마지막 콘서트) | Lee Seung-chul | 66 |
| Round 3 ||||||
| Finalists | Brachiosaurus | Dayoung of Cosmic Girls | Perhaps That Was Love (아마도 그건) | Choi Yong-joon [ko] | 55 |
| Finalists | Generation X | Heechul of Super Junior | I Know (난 알아요) | Seo Taiji and Boys | 44 |
| Final ||||||
| Battle | Brachiosaurus | Dayoung of Cosmic Girls | Previous three songs used as voting standard | Previous three songs used as voting standard | 27 |
| Battle | Sweet 18 | So Chan-whee | Décalcomanie | Mamamoo | 72 |

### 122nd Generation Mask King

* Contestants: Ahn Seon-young [ko], Miyeon ((G)I-dle), Im Kang-sung, Seung-gook Lee [ko], Kim Jung-mo, Soyul [ko], Boi B (Rhythm Power), Seungyoon (Winner)

#### Episode 243

Episode 243 was broadcast on February 23, 2020. This marks the beginning of the Hundred-twenty-second Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Cider | Ahn Seon-young | 3! 4! | Roo'ra | 35 |
| Pair 1 | A Boiled Egg | Miyeon of (G)I-dle | 3! 4! | Roo'ra | 64 |
| 2nd Song | Cider | Ahn Seon-young | Deviation (일탈) | Jaurim | — |
| Pair 2 | The Giraffe Drawing That I Drew | Im Kang-sung | Despite Holding On (붙잡고도) | Noel | 55 |
| Pair 2 | Soy Sauce Factory Foreman | Seung-gook Lee | Despite Holding On (붙잡고도) | Noel | 44 |
| 2nd Song | Soy Sauce Factory Foreman | Seung-gook Lee | Don't Go, Don't Go (가지마 가지마) | Brown Eyes | — |
| Pair 3 | Windmill | Kim Jung-mo | Love in the Milky Way Cafe (사랑은 은하수 다방에서) | 10cm | 46 |
| Pair 3 | Pinwheel | Soyul | Love in the Milky Way Cafe (사랑은 은하수 다방에서) | 10cm | 53 |
| 2nd Song | Windmill | Kim Jung-mo | Time | Taesaja [ko] | — |
| Pair 4 | Kettle | Boi B of Rhythm Power | Short Hair (단발머리) | Cho Yong-pil | 22 |
| Pair 4 | Chow Yun-fat | Seungyoon of Winner | Short Hair (단발머리) | Cho Yong-pil | 77 |
| 2nd Song | Kettle | Boi B of Rhythm Power | In Dreams (꿈속에서) | Exhibition [ko] | — |

#### Episode 244

Episode 244 was broadcast on March 1, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | A Boiled Egg | Miyeon of (G)I-dle | Good Bye Sadness, Hello Happiness | Yoon Mi-rae | 37 |
| Pair 1 | The Giraffe Drawing That I Drew | Im Kang-sung | The Story That Can't Be Told (전할 수 없는 이야기) | Wheesung | 62 |
| Pair 2 | Pinwheel | Soyul | Can You Hear Me (들리나요) | Taeyeon | 21 |
| Pair 2 | Chow Yun-fat | Seungyoon of Winner | Who Are You | Sam Kim | 78 |
| Round 3 ||||||
| Finalists | The Giraffe Drawing That I Drew | Im Kang-sung | Secret (비밀) | Boohwal | 23 |
| Finalists | Chow Yun-fat | Seungyoon of Winner | Family Picture (가족사진) | Kim Jin-ho | 76 |
| Final ||||||
| Battle | Chow Yun-fat | Seungyoon of Winner | Previous three songs used as voting standard | Previous three songs used as voting standard | 53 |
| Battle | Sweet 18 | So Chan-whee | Where Are You (그대는 어디에) | Yim Jae-beom | 46 |

### 123rd Generation Mask King

* Contestants: Jane (South Korean idol singer) [ko] (Momoland), YOYOMI, Son Ji-hyun, I'll (Hoppipolla (band)), Hong Seo-beom [ko], Kim Il-joong [ko], Yoon Jung-soo, Kim Jae-hee [ko]

#### Episode 245

Episode 245 was broadcast on March 8, 2020. This marks the beginning of the Hundred-twenty-third Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Ppogeri | Jane of Momoland | Now | Fin.K.L | 39 |
| Pair 1 | Cup Noodles | YOYOMI | Now | Fin.K.L | 60 |
| 2nd Song | Ppogeri | Jane of Momoland | Flower Way (꽃길) | Sejeong | — |
| Pair 2 | White Butterfly | Son Ji-hyun | I'm in Love | Ra.D | 21 |
| Pair 2 | Tiger Swallowtail | I'll of Hoppipolla | I'm in Love | Ra.D | 78 |
| 2nd Song | White Butterfly | Son Ji-hyun | The Pierrot Laughs at Us (삐에로는 우릴 보고 웃지) | Kim Wan-sun | — |
| Pair 3 | Gangbyeon Expressway | Hong Seo-beom | Lost Stars (Begin Again OST) | Adam Levine | 77 |
| Pair 3 | Kim Su-ro | Kim Il-joong | Lost Stars (Begin Again OST) | Adam Levine | 22 |
| 2nd Song | Kim Su-ro | Kim Il-joong | Meant to be (천생연분) | Solid | — |
| Pair 4 | Poodle | Yoon Jung-soo | Don't Give Up (포기하지마) | Sung Jin-woo [ko] | 48 |
| Pair 4 | Pudding | Kim Jae-hee | Don't Give Up (포기하지마) | Sung Jin-woo [ko] | 51 |
| 2nd Song | Poodle | Yoon Jung-soo | To My Old Friend (옛 친구에게) | Travel Sketch [ko] | — |

#### Episode 246

Episode 246 was broadcast on March 15, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Cup Noodles | YOYOMI | Sonata of Temptation (유혹의 소나타) | Ivy | 35 |
| Pair 1 | Tiger Swallowtail | I'll of Hoppipolla | Live a Long Long Time (그대가 그대를) | Lee Seung-hwan | 64 |
| Special | Cup Noodle | YOYOMI | The Woman Outside the Window (창밖의 여자) | Cho Yong-pil | — |
| Pair 2 | Gangbyeon Expressway | Hong Seo-beom | Passionate Love (열애) | Yoon Shi-nae [ko] | 51 |
| Pair 2 | Pudding | Kim Jae-hee | Stigma (낙인) | Yim Jae-beom | 48 |
| Special | Pudding | Kim Jae-hee | The More I Love (사랑할수록) | Boohwal | — |
| Round 3 ||||||
| Finalists | Tiger Swallowtail | I'll of Hoppipolla | Sofa | Crush | 50 |
| Finalists | Gangbyeon Expressway | Hong Seo-beom | Stupid Smile (바보같은 미소) | Jo Gap-kyung [ko] | 49 |
| Final ||||||
| Battle | Tiger Swallowtail | I'll of Hoppipolla | Previous three songs used as voting standard | Previous three songs used as voting standard | 15 |
| Battle | Chow Yun-fat | Seungyoon of Winner | Recede (멀어지다) | Nell | 84 |

### 124th Generation Mask King

* Contestants: Shin Yi, Wax, Ha Hyun-gon [ko] (Click-B), No Min-hyuk [ko] (Click-B), Byung-hyun Kim, Chuu (Loona), Michael K. Lee, Jibeom (singer) [ko] (Golden Child)

#### Episode 247

Episode 247 was broadcast on March 22, 2020. This marks the beginning of the Hundred-twenty-fourth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Mirror Ball | Shin Yi | Smile Again (으라차차) | Rumble Fish | 4 |
| Pair 1 | Globe | Wax | Smile Again (으라차차) | Rumble Fish | 17 |
| 2nd Song | Mirror Ball | Shin Yi | Flying Duck (오리 날다) | Cherry Filter | — |
| Pair 2 | Rocky | Ha Hyun-gon of Click-B | At J's Bar (J's Bar에서) | Exhibition [ko] | 17 |
| Pair 2 | Siberian Husky | No Min-hyuk of Click-B | At J's Bar (J's Bar에서) | Exhibition [ko] | 4 |
| 2nd Song | Siberian Husky | No Min-hyuk of Click-B | Can I Get Married? (장가갈 수 있을까) | Coffe Boy [ko] | — |
| Pair 3 | Cherry Blossom Ending | Byung-hyun Kim | One More Step (한 걸음 더) | Yoon Sang | 7 |
| Pair 3 | Spring Girl | Chuu of Loona | One More Step (한 걸음 더) | Yoon Sang | 14 |
| 2nd Song | Cherry Blossom Ending | Byung-hyun Kim | Happy Our Love (기쁜 우리 사랑은) | Choi Sung-soo [ko] | — |
| Pair 4 | Half Moon Prince | Michael K. Lee | Black or White | Michael Jackson | 11 |
| Pair 4 | Full Moon Prince | Jibeom of Golden Child | Black or White | Michael Jackson | 10 |
| 2nd Song | Full Moon Prince | Jibeom of Golden Child | It's Not Love If It Hurts Too Much (너무 아픈 사랑은 사랑이 아니었음을) | Kim Kwang-seok | — |

#### Episode 248

Episode 248 was broadcast on March 29, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Globe | Wax | Lifetime (일생을) | Kim Hyun-chul [ko] | 6 |
| Pair 1 | Rocky | Ha Hyun-gon of Click-B | Kiss Me | J. Y. Park | 15 |
| Special | Globe | Wax | Oppa | Wax | — |
| Pair 2 | Spring Girl | Chuu of Loona | If I Had Only You (그대만 있다면) | Weather Forecast [ko] | 10 |
| Pair 2 | Half Moon Prince | Michael K. Lee | Fall in Love (사랑을 외치다) | MC the Max | 11 |
| Round 3 ||||||
| Finalists | Rocky | Ha Hyun-gon of Click-B | Instinctively (본능적으로) | Yoon Jong-shin | 4 |
| Finalists | Half Moon Prince | Michael K. Lee | Resignation (체념) | Big Mama | 17 |
| Final ||||||
| Battle | Half Moon Prince | Michael K. Lee | Previous three songs used as voting standard | Previous three songs used as voting standard | 10 |
| Battle | Chow Yun-fat | Seungyoon of Winner | Lie Lie Lie (거짓말 거짓말 거짓말) | Lee Juck | 11 |
| Special | Half Moon Prince | Michael K. Lee | This Is the Moment | Musical Jekyll & Hyde OST | — |

### 125th Generation Mask King

* Contestants: Kim Hye-ri, Choi Yong-joon [ko], Kim Woo-seok (UP10TION), Lee Sang-joon [ko], Park Tam-hee [ko], Baek Chan [ko] (8Eight), Rangshow (Bubble Sisters [ko]), Hyerim (Wonder Girls)

#### Episode 249

Episode 249 was broadcast on April 5, 2020. This marks the beginning of the Hundred-twenty-fifth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Opening | Kwon In-ha [ko] & Luna | Kwon In-ha [ko] & Luna | Scar Deeper Than Love (사랑보다 깊은 상처) | Yim Jae-beom | — |
| Round 1 ||||||
| Pair 1 | Magician | Kim Hye-ri | It's Only Love (사랑일뿐야) | Kim Min-woo [ko] | 14 |
| Pair 1 | Pierrot | Choi Yong-joon | It's Only Love (사랑일뿐야) | Kim Min-woo [ko] | 7 |
| 2nd Song | Pierrot | Choi Yong-joon | Letter (편지) | Kim Kwang-jin [ko] | — |
| Special | Pierrot | Choi Yong-joon | Perhaps That Was Love (아마도 그건) | Choi Yong-joon | — |
| Pair 2 | Hot Friday | Kim Woo-seok of UP10TION | Love, That Common Word (사랑한다는 흔한 말) | Kim Yeon-woo | 18 |
| Pair 2 | Happy Birthday | Lee Sang-joon | Love, That Common Word (사랑한다는 흔한 말) | Kim Yeon-woo | 3 |
| 2nd Song | Happy Birthday | Lee Sang-joon | Paradise (낙원) Entertainer (연예인) | Psy | — |
| Pair 3 | Sushi | Park Tam-hee | Good (좋다) | Daybreak | 5 |
| Pair 3 | Samgak Gimbap | Baek Chan of 8Eight | Good (좋다) | Daybreak | 16 |
| 2nd Song | Sushi | Park Tam-hee | Magic Carpet Ride (매직 카펫 라이드) | Jaurim | — |
| Pair 4 | Hamster | Rangshow of Bubble Sisters | Listen to Me (내 얘길 들어봐) | Papaya | 20 |
| Pair 4 | Lobster | Hyerim of Wonder Girls | Listen to Me (내 얘길 들어봐) | Papaya | 1 |
| 2nd Song | Lobster | Hyerim of Wonder Girls | Sweet Dream | Jang Na-ra | — |

#### Episode 250

Episode 250 was broadcast on April 12, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Magician | Kim Hye-ri | Long Day (긴 하루) | Lee Seung-chul | 4 |
| Pair 1 | Hot Friday | Kim Woo-seok of UP10TION | I Will Give You It All (다 줄거야) | Jo Gyu-man [ko] | 17 |
| Pair 2 | Samgak Gimbap | Baek Chan of 8Eight | Think About' Chu | Asoto Union [ko] | 6 |
| Pair 2 | Hamster | Rangshow of Bubble Sisters | Ma Boy | Sistar19 | 15 |
| Round 3 ||||||
| Finalists | Hot Friday | Kim Woo-seok of UP10TION | To You (너에게) | Seo Taiji and Boys | 2 |
| Finalists | Hamster | Rangshow of Bubble Sisters | Like It (좋니) | Yoon Jong-shin | 19 |
| Final ||||||
| Battle | Hamster | Rangshow of Bubble Sisters | Previous three songs used as voting standard | Previous three songs used as voting standard | 5 |
| Battle | Chow Yun-fat | Seungyoon of Winner | Bounce | Cho Yong-pil | 16 |

### 126th Generation Mask King

* Contestants: Ha Do-kwon, Ko Woo-rim [ko] (Forestella), Hyun Jung-hwa, Choi Yoo-jung (Weki Meki), Ji Won-yi [ko], Hwang In-sun, Kim Sang-min [ko], Lee Han-wi

#### Episode 251

Episode 251 was broadcast on April 19, 2020. This marks the beginning of the Hundred-twenty-sixth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Popular Ballads | Ha Do-kwon | Mai Più Così Lontano | Andrea Bocelli | 11 |
| Pair 1 | Beast | Ko Woo-rim of Forestella | Mai Più Così Lontano | Andrea Bocelli | 10 |
| 2nd Song | Beast | Ko Woo-rim of Forestella | About Romance (낭만에 대하여) | Choi Baek-ho [ko] | — |
| Pair 2 | Libra | Hyun Jung-hwa | You, Clouds, Rain (비도 오고 그래서) | Heize | 6 |
| Pair 2 | Scorpio | Choi Yoo-jung of Weki Meki | You, Clouds, Rain (비도 오고 그래서) | Heize | 15 |
| 2nd Song | Libra | Hyun Jung-hwa | Rain and You (비와 당신) | Park Joong-hoon | — |
| Pair 3 | Jjamjjamyeon | Ji Won-yi | Flower (꽃) | Jang Yun-jeong | 14 |
| Pair 3 | Half-and-half Chicken | Hwang In-sun | Flower (꽃) | Jang Yun-jeong | 7 |
| 2nd Song | Half-and-half Chicken | Hwang In-sun | Exultation (환희) | Jung Soo-ra [ko] | — |
| Pair 4 | 007 | Kim Sang-min | Dear My Lady (숙녀에게) | Byun Jin-sub | 17 |
| Pair 4 | Bang | Lee Han-wi | Dear My Lady (숙녀에게) | Byun Jin-sub | 4 |
| 2nd Song | Bang | Lee Han-wi | Sad Story of Old Couple (어느 60대 노부부의 이야기) | Kim Mok-kyung [ko] | — |

#### Episode 252

Episode 252 was broadcast on April 26, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Popular Ballads | Ha Do-kwon | Lazenca, Save Us | N.EX.T | 13 |
| Pair 1 | Scorpius | Choi Yoo-jung of Weki Meki | One Million Roses (백만송이 장미) | Sim Soo-bong | 8 |
| Pair 2 | Jjamjjamyeon | Ji Won-yi | One's Way Back (귀로) | Park Seon-joo [ko] | 18 |
| Pair 2 | 007 | Kim Sang-min | Like an Indian Doll (인디언 인형처럼) | Na-mi | 3 |
| Special | 007 | Kim Sang-min | You | Kim Sang-min | — |
| Round 3 ||||||
| Finalists | Popular Ballads | Ha Do-kwon | Somebody's Dream (어떤이의 꿈) | Bom Yeoreum Gaeul Kyeoul | 2 |
| Finalists | Jjamjjamyeon | Ji Won-yi | A Sexy Man (섹시한 남자) | Space A [ko] | 19 |
| Final ||||||
| Battle | Jjamjjamyeon | Ji Won-yi | Previous three songs used as voting standard | Previous three songs used as voting standard | 7 |
| Battle | Chow Yun-fat | Seungyoon of Winner | Blue Whale (흰수염고래) | YB | 14 |

### 127th Generation Mask King

* Contestants: Code Kunst, Na Tae-joo, Cha Chung-hwa, Yang Hye-seung [ko], Kim Kang-hoon, Kim Ho-joong, Abhishek Gupta (Lucky), Lee Min (As One)

#### Episode 253

Episode 253 was broadcast on May 3, 2020. This marks the beginning of the Hundred-twenty-seventh Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Music College Oppa | Code Kunst | A Whale's Dream (고래의 꿈) | Bobby Kim | 5 |
| Pair 1 | Physical College Oppa | Na Tae-joo | A Whale's Dream (고래의 꿈) | Bobby Kim | 16 |
| 2nd Song | Music College Oppa | Code Kunst | With a Heart that Should Forget (잊어야 한다는 마음으로) | Kim Kwang-seok | — |
| Pair 2 | Venus | Cha Cheong-hwa | Side Road (골목길) | Shinchon Blues [ko] | 6 |
| Pair 2 | Bonus | Yang Hye-seung | Side Road (골목길) | Shinchon Blues [ko] | 15 |
| 2nd Song | Venus | Cha Cheong-hwa | Swing Baby | J. Y. Park | — |
| Pair 3 | Report Card A+ | Kim Kang-hoon | Unconditional (무조건) | Park Sang-cheol [ko] | 5 |
| Pair 3 | Korean Beef 1++ | Kim Ho-joong | Unconditional (무조건) | Park Sang-cheol [ko] | 16 |
| 2nd Song | Report Card A+ | Kim Kang-hoon | Your Shampoo Scent in the Flowers (흔들리는 꽃들 속에서 네 샴푸향이 느껴진거야) | Jang Beom-june | — |
| Pair 4 | Kimchi | Abhishek Gupta (Lucky) | A Whole New World (Aladdin OST) | Peabo Bryson & Regina Belle | 5 |
| Pair 4 | Cheese | Lee Min of As One | A Whole New World (Aladdin OST) | Peabo Bryson & Regina Belle | 16 |
| 2nd Song | Kimchi | Abhishek Gupta (Lucky) | Winter Rain (겨울비) | Kim Jong-seo | — |

#### Episode 254

Episode 254 was broadcast on May 10, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Physical College Oppa | Na Tae-joo | Hands of a Clock (시계바늘) | Shin Yoo [ko] | 8 |
| Pair 1 | Bonus | Yang Hye-seung | Cannot Have You (가질 수 없는 너) | Bank [ko] | 13 |
| Special | Physical College Oppa | Na Tae-joo | I'll Be Back | 2PM | — |
| Pair 2 | Korean Beef 1++ | Kim Ho-joong | Running in the Sky (하늘을 달리다) | Lee Juck | 11 |
| Pair 2 | Cheese | Lee Min of As One | Here I Am Again (다시 난, 여기) (Crash Landing on You OST) | Baek Ye-rin | 10 |
| Special | Cheese | Lee Min of As One | Want and Resent (원하고 원망하죠) | As One | — |
| Round 3 ||||||
| Finalists | Bonus | Yang Hye-seung | The Barley Hump (보릿고개) | Jin Sung [ko] | 8 |
| Finalists | Korean Beef 1++ | Kim Ho-joong | Mt. Chilgab (칠갑산) | Joo Byung-seon [ko] | 13 |
| Special | Bonus | Yang Hye-seung | Splendid Single (화려한 싱글) | Yang Hye-seung | — |
| Final ||||||
| Battle | Korean Beef 1++ | Kim Ho-joong | Previous three songs used as voting standard | Previous three songs used as voting standard | 9 |
| Battle | Chow Yun-fat | Seungyoon of Winner | Twenty-five, Twenty-one (스물다섯, 스물하나) | Jaurim | 12 |

### 128th Generation Mask King

* Contestants: Jang Mun-ik [ko] (DKZ), Yang Kyung-won, Shim Ji-ho, Jo Yu-ri (Iz*One), Shim Eun-woo, Choi Jae-rim, Ryu Ji-kwang [ko], Kim Jung-nam (singer) [ko] (Turbo)

#### Episode 255

Episode 255 was broadcast on May 17, 2020. This marks the beginning of the Hundred-twenty-eighth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | D'Artagnan | Munik of Dongkiz | Flaming Sunset (붉은 노을) | Lee Moon-sae | 1 |
| Pair 1 | Don Quixote | Yang Kyung-won | Flaming Sunset (붉은 노을) | Lee Moon-sae | 20 |
| 2nd Song | D'Artagnan | Munik of Dongkiz | H.E.R | Block B | — |
| Pair 2 | Temptation of Wolf | Shim Ji-ho | Introduce Me a Good Person (좋은 사람 있으면 소개시켜줘) | Basis [ko] | 4 |
| Pair 2 | Seduction of Wife | Jo Yu-ri of Iz*One | Introduce Me a Good Person (좋은 사람 있으면 소개시켜줘) | Basis [ko] | 17 |
| 2nd Song | Temptation of Wolf | Shim Ji-ho | Blue Day | The Position [ko] | — |
| Pair 3 | Spear | Shim Eun-woo | Desperado | Eagles | 4 |
| Pair 3 | Shield | Choi Jae-rim | Desperado | Eagles | 17 |
| 2nd Song | Spear | Shim Eun-woo | If You're Gonna Be Like This (이럴 거면) | Ivy | — |
| Pair 4 | Picture Diary | Ryu Ji-kwang | Dear Jaok (자옥아) | Park Sang-cheol [ko] | 11 |
| Pair 4 | Farm Diary | Kim Jung-nam of Turbo | Dear Jaok (자옥아) | Park Sang-cheol [ko] | 10 |
| 2nd Song | Farm Diary | Kim Jung-nam of Turbo | Last Night Story (어젯밤 이야기) | Sobangcha | — |

#### Episode 256

Episode 256 was broadcast on May 24, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Don Quixote | Yang Kyung-won | I Didn't Know That Time (그땐 미처 알지 못했지) | Lee Juck | 7 |
| Pair 1 | Seduction of Wife | Jo Yu-ri of Iz*One | Rainy Season (장마) | Jung-in | 14 |
| Pair 2 | Shield | Choi Jae-rim | Diamond (돌덩이) (Itaewon Class OST) | Ha Hyun-woo | 13 |
| Pair 2 | Picture Diary | Ryu Ji-kwang | Please | Lee Ki-chan | 8 |
| Round 3 ||||||
| Finalists | Seduction of Wife | Jo Yu-ri of Iz*One | Brown City | Brown Eyed Soul | 2 |
| Finalists | Shield | Choi Jae-rim | Companion (동반자) | Kim Dong-ryul | 19 |
| Final ||||||
| Battle | Shield | Choi Jae-rim | Previous three songs used as voting standard | Previous three songs used as voting standard | 11 |
| Battle | Chow Yun-fat | Seungyoon of Winner | Lonely Night | Boohwal | 10 |

### 129th Generation Mask King

* Contestants: Jo Hyang-gi [ko], Jo Jung-min, Park Goo-yoon [ko], Hynn, Kim Ga-young (weather caster) [ko], Joohoney (Monsta X), Yugyeom (Got7), Kim Beom-ryong [ko]

#### Episode 257

Episode 257 was broadcast on May 31, 2020. This marks the beginning of the Hundred-twenty-ninth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Fin.K.L | Jo Hyang-gi | Killer | Baby Vox | 3 |
| Pair 1 | S.E.S. | Jo Jeong-min | Killer | Baby Vox | 18 |
| 2nd Song | Fin.K.L | Jo Hyang-gi | Come (와) | Lee Jung-hyun | — |
| Pair 2 | Diamond | Park Goo-yoon | A Friend's Confession (친구의 고백) | 2AM | 3 |
| Pair 2 | Pearl | Hynn | A Friend's Confession (친구의 고백) | 2AM | 18 |
| 2nd Song | Diamond | Park Goo-yoon | After This Night (이 밤이 지나면) | Yim Jae-beom | — |
| Special | Diamond | Park Goo-yoon | Only Just (뿐이고) | Park Goo-yoon | — |
| Pair 3 | Frustration | Kim Ga-young | Already One Year (벌써 일년) | Brown Eyes | 12 |
| Pair 3 | Top | Joohoney of Monsta X | Already One Year (벌써 일년) | Brown Eyes | 9 |
| 2nd Song | Top | Joohoney of Monsta X | Look at Me (나를 봐) | Lee Jung | — |
| Pair 4 | Raspberry Wine | Yugyeom of Got7 | I Choose to Love You (널 사랑하겠어) | Dongmulwon [ko] | 10 |
| Pair 4 | Japanese Apricot | Kim Beom-ryong | I Choose to Love You (널 사랑하겠어) | Dongmulwon [ko] | 11 |
| 2nd Song | Raspberry Wine | Yugyeom of Got7 | I Have a Girlfriend (난 여자가 있는데) | Park Jin-young | — |

#### Episode 258

Episode 258 was broadcast on June 7, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | S.E.S. | Jo Jeong-min | Desert Island (무인도) | Kim Choo-ja [ko] | 2 |
| Pair 1 | Pearl | Hynn | A Smart Choice (현명한 선택) | So Chan-whee | 19 |
| Pair 2 | Frustration | Kim Ga-young | I Didn't Weep Tears (눈물이 안났어) | Lim Jeong-hee | 2 |
| Pair 2 | Japanese Apricot | Kim Beom-ryong | To Be Alone (홀로 된다는 것) | Byun Jin-sub | 19 |
| Round 3 ||||||
| Finalists | Pearl | Hynn | In the Dream (꿈에) | Lena Park | 14 |
| Finalists | Japanese Apricot | Kim Beom-ryong | Fix My Makeup (화장을 고치고) | Wax | 7 |
| Special | Japanese Apricot | Kim Beom-ryong | Wind Wind Wind (바람 바람 바람) | Kim Beom-ryong | — |
| Final ||||||
| Battle | Pearl | Hynn | Previous three songs used as voting standard | Previous three songs used as voting standard | 15 |
| Battle | Shield | Choi Jae-rim | Crow (갈무리) | Na Hoon-a | 6 |

### 130th Generation Mask King

* Contestants: Lena (singer, born 2002) [ko] (GWSN), Swings, So Yoo-mi [ko], Kim Soo-chan [ko], Kim Min-kyo [ko], Park Hyung-joon [ko], Kim Yeon-ja [ko], Park Chan-sook

#### Episode 259

Episode 259 was broadcast on June 14, 2020. This marks the beginning of the Hundred-thirtieth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Goddess Gangrim | Lena of GWSN | Psycho | Red Velvet | 10 |
| Pair 1 | Shortcut-shine Precipitation | Swings | Psycho | Red Velvet | 11 |
| 2nd Song | Goddess Gangrim | Lena of GWSN | It Was Love (사랑이었다) | Zico | — |
| Pair 2 | Wine | So Yoo-mi | Moonlight by the Window (달빛 창가에서) | City Boys | 14 |
| Pair 2 | Makgeolli | Kim Soo-chan | Moonlight by the Window (달빛 창가에서) | City Boys | 7 |
| 2nd Song | Makgeolli | Kim Soo-chan | Love Is a Cold Temptation (사랑은 차가운 유혹) | Yang Soo-kyung [ko] | — |
| Pair 3 | Home Run | Kim Min-kyo | The Way (도) | Taesaja [ko] | 12 |
| Pair 3 | Dunk Shot | Park Hyung-joon | The Way (도) | Taesaja [ko] | 9 |
| 2nd Song | Dunk Shot | Park Hyung-joon | Confession (고백) | Hot Potato [ko] | — |
| Pair 4 | Mrs. Rose | Kim Yeon-ja | At Any Time (무시로) | Na Hoon-a | 20 |
| Pair 4 | Six Million Dollar Man | Park Chan-sook | At Any Time (무시로) | Na Hoon-a | 1 |
| 2nd Song | Six Million Dollar Man | Park Chan-sook | Nest (동지) | Nam Jin | — |

#### Episode 260

Episode 260 was broadcast on June 21, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Shortcut-shine Precipitation | Swings | Peppermint Candy (박하사탕) | YB | 3 |
| Pair 1 | Wine | So Yoo-mi | A Few Meters Ahead of (몇미터 앞에 두고) | Kim Sang-bae [ko] | 18 |
| Pair 2 | Home Run | Kim Min-kyo | Unknown World (미지의 세계) | Cho Yong-pil | 4 |
| Pair 2 | Mrs. Rose | Kim Yeon-ja | Everyone (여러분) | Yoon Bok-hee | 17 |
| Round 3 ||||||
| Finalists | Wine | So Yoo-mi | Golden Lady | Lim Jeong-hee | 2 |
| Finalists | Mrs. Rose | Kim Yeon-ja | Evergreen Tree (상록수) | Yang Hee-eun | 19 |
| Final ||||||
| Battle | Mrs. Rose | Kim Yeon-ja | Previous three songs used as voting standard | Previous three songs used as voting standard | 11 |
| Battle | Pearl | Hynn | Rough (Running Through Time) (시간을 달려서) | GFriend | 10 |

### 131st Generation Mask King

* Contestants: Seungah (Rainbow), Kim Chae-won (singer, born 1997) (April), Changbin (singer) [ko] (Stray Kids), Yang Dong-geun, Lee Jang-jun [ko] (Golden Child), Cha Jun-hwan, Kim Jung-min, Kang Jae-joon [ko]

#### Episode 261

Episode 261 was broadcast on June 28, 2020. This marks the beginning of the Hundred-thirty-first Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Churros | Seungah of Rainbow | Be My Baby | Wonder Girls | 9 |
| Pair 1 | Dalgona | Chaewon of April | Be My Baby | Wonder Girls | 12 |
| 2nd Song | Churros | Seungah of Rainbow | Valenti | BoA | — |
| Pair 2 | Private Second Class | Changbin of Stray Kids | Tic Tac Toe | Buga Kingz [ko] | 5 |
| Pair 2 | Last-Year-Soldier | Yang Dong-geun | Tic Tac Toe | Buga Kingz [ko] | 16 |
| 2nd Song | Private Second Class | Changbin of Stray Kids | Tomorrow | Tablo | — |
| Pair 3 | Unopened Courier | Jangjun of Golden Child | As I Say (말하는 대로) | Sagging Snail (Yoo Jae-suk & Lee Juck) | 18 |
| Pair 3 | Unscratched Lottery | Cha Jun-hwan | As I Say (말하는 대로) | Sagging Snail (Yoo Jae-suk & Lee Juck) | 3 |
| 2nd Song | Unscratched Lottery | Cha Jun-hwan | Every Day, Every Moment (모든 날, 모든 순간) (Should We Kiss First? OST) | Paul Kim | — |
| Pair 4 | Squid | Kim Jung-min | After Breaking Up (헤어진 후에) | Y2K [ko] | 14 |
| Pair 4 | Peanut | Kang Jae-joon | After Breaking Up (헤어진 후에) | Y2K [ko] | 7 |
| 2nd Song | Peanut | Kang Jae-joon | Endless Love (무한지애) | Kim Jung-min | — |

#### Episode 262

Episode 262 was broadcast on July 5, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Dalgona | Chaewon of April | We Used to Love (...사랑했잖아...) | Lyn | 10 |
| Pair 1 | Last-Year-Soldier | Yang Dong-geun | Jazz Cafe (재즈카페) | Shin Hae-chul | 11 |
| Pair 2 | Unopened Courier | Jangjun of Golden Child | I'm a Loner (외톨이야) | CNBLUE | 3 |
| Pair 2 | Squid | Kim Jung-min | One Thing That I Know (내가 아는 한가지) | Lee Deok-jin [ko] | 18 |
| Round 3 ||||||
| Finalists | Last-Year-Soldier | Yang Dong-geun | Come Back Home | Seo Taiji and Boys | 7 |
| Finalists | Squid | Kim Jung-min | Malri Flower (말리꽃) | Lee Seung-chul | 14 |
| Final ||||||
| Battle | Squid | Kim Jung-min | Previous three songs used as voting standard | Previous three songs used as voting standard | 2 |
| Battle | Mrs. Rose | Kim Yeon-ja | The One Flower That Could Not Bloom (못다 핀 꽃 한 송이) | Kim Soo-chul | 19 |

### 132nd Generation Mask King

* Contestants: Shin A-lam, KittiB, Exy (Cosmic Girls), J-Black [ko], Ha.E.D (singer, born 1975) [ko], Ahn Soo-ji [ko] (Banana Girl [ko]), Joosuc [ko], Kim Seon-kyung [ko]

#### Episode 263

Episode 263 was broadcast on July 12, 2020. This marks the beginning of the Hundred-thirty-second Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Cherry | Shin A-lam | Lonely | 2NE1 | 2 |
| Pair 1 | Apricot | KittiB | Lonely | 2NE1 | 19 |
| 2nd Song | Cherry | Shin A-lam | Maybe It's Not Our Fault (그건 아마 우리의 잘못은 아닐 거야) | Baek Ye-rin | — |
| Pair 2 | Disco King | Exy of Cosmic Girls | Ae Song (애송이) | Lexy | 13 |
| Pair 2 | Dancing King | J-Black | Ae Song (애송이) | Lexy | 8 |
| 2nd Song | Dancing King | J-Black | We Are (시차) | Woo Won-jae ft. Gray ft. Loco | — |
| Pair 3 | Chogye Noodles | Ha.E.D | I'll Give the Love That Stays with Me (내게 남은 사랑을 드릴게요) | Jang Hye-ri [ko] | 9 |
| Pair 3 | Yeonpo-tang | Ahn Soo-ji of Banana Girl | I'll Give the Love That Stays with Me (내게 남은 사랑을 드릴게요) | Jang Hye-ri [ko] | 12 |
| 2nd Song | Chogye Noodles | Ha.E.D | Obsession (집착) | Park Mi-kyung [ko] | — |
| Special | Chogye Noodles | Ha.E.D | Geenie (진이) | Ha.E.D | — |
| Pair 4 | Conductor | Joosuc | I Love You (난 널 사랑해) | Shin Hyo-beom [ko] | 3 |
| Pair 4 | Ji Hwa Ja | Kim Seon-kyung | I Love You (난 널 사랑해) | Shin Hyo-beom [ko] | 18 |
| 2nd Song | Conductor | Joosuc | When I First Met You (너를 처음 만난 그때) | Park Joon-ha [ko] | — |

#### Episode 264

Episode 264 was broadcast on July 19, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Apricot | KittiB | I Need a Girl | Taeyang | 9 |
| Pair 1 | Disco King | Exy of Cosmic Girls | Life is Good (인생은 즐거워) | Jessica H.O | 12 |
| Pair 2 | Yeonpo-tang | Ahn Soo-ji of Banana Girl | Women (여자) | Big Mama | 9 |
| Pair 2 | Ji Hwa Ja | Kim Seon-kyung | One Late Night in 1994 (1994년 어느 늦은 밤) | Jang Hye-jin | 12 |
| Special | Yeonpo-tang | Ahn Soo-ji of Banana Girl | Hips (엉덩이) | Banana Girl [ko] | — |
| Round 3 ||||||
| Finalists | Disco King | Exy of Cosmic Girls | Between the Lips (50cm) (입술 사이 (50 cm)) | IU | 8 |
| Finalists | Ji Hwa Ja | Kim Seon-kyung | Spring Past (봄날은 간다) | Kim Yoon-ah | 13 |
| Final ||||||
| Battle | Ji Hwa Ja | Kim Seon-kyung | Previous three songs used as voting standard | Previous three songs used as voting standard | 4 |
| Battle | Mrs. Rose | Kim Yeon-ja | Whale Hunting (고래사냥) | Song Chang-sik | 17 |

### 133rd Generation Mask King

* Contestants: Ju Yeon-ho [ko] (Verivery), Bizzy, Lee Jeong-seob [ko], KCM, Han Yi-jae [ko], Kim Hyun-soo (singer, born 1987) [ko] (Forte di Quattro), Han Hye-jin [ko], Yang Jung-a

#### Episode 265

Episode 265 was broadcast on July 26, 2020. This marks the beginning of the Hundred-thirty-third Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Forward | Yeonho of Verivery | Perfect Man | Shinhwa | 13 |
| Pair 1 | Backward | Bizzy | Perfect Man | Shinhwa | 8 |
| 2nd Song | Backward | Bizzy | Aspirin (아스피린) | Girl | — |
| Pair 2 | Gwigoksanjang | Lee Jeong-seob | You Wouldn't Know (당신은 모르실거야) | Hye Eun-yi [ko] | 5 |
| Pair 2 | Haunted House | KCM | You Wouldn't Know (당신은 모르실거야) | Hye Eun-yi [ko] | 16 |
| 2nd Song | Gwigoksanjang | Lee Jeong-seob | In the Air (허공) | Cho Yong-pil | — |
| Pair 3 | U-Go-Girl | Han Yi-jae | Faraway, My Honey (님은 먼 곳에) | Kim Choo-ja [ko] | 11 |
| Pair 3 | Ways to Avoid the Sun | Kim Hyun-soo of Forte di Quattro | Faraway, My Honey (님은 먼 곳에) | Kim Choo-ja [ko] | 10 |
| 2nd Song | Ways to Avoid the Sun | Kim Hyun-soo of Forte di Quattro | For Your Soul (슬픈 영혼식) | Jo Sung-mo | — |
| Pair 4 | Red Tissue | Han Hye-jin | The Face I Miss (보고싶은 얼굴) | Min Hae-kyung | 17 |
| Pair 4 | Blue Tissue | Yang Jung-a | The Face I Miss (보고싶은 얼굴) | Min Hae-kyung | 4 |
| 2nd Song | Blue Tissue | Yang Jung-a | Between Love and Friendship (사랑과 우정 사이) | Pinocchio | — |

#### Episode 266

Episode 266 was broadcast on August 2, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Forward | Yeonho of Verivery | Ending Scene (이런 엔딩) | IU | 5 |
| Pair 1 | Haunted House | KCM | The Sky in the West (서쪽 하늘) | Lee Seung-chul | 16 |
| Pair 2 | U-Go-Girl | Han Yi-jae | Garden Balsam Feelings (봉선화 연정) | Hyun Chul [ko] | 10 |
| Pair 2 | Red Tissue | Han Hye-jin | Moon of Seoul (서울의 달) | Kim Gun-mo | 11 |
| Special | U-Go-Girl | Han Yi-jae | Local Train to Mokpo (목포행 완행열차) | Jang Yun-jeong | — |
| Round 3 ||||||
| Finalists | Haunted House | KCM | Once Upon a Day (하루) | Kim Bum-soo | 13 |
| Finalists | Red Tissue | Han Hye-jin | Memories of a Drink (한잔의 추억) | Lee Jang-hee [ko] | 8 |
| Special | Red Tissue | Han Hye-jin | Brown Memories (갈색추억) | Han Hye-jin | — |
| Final ||||||
| Battle | Haunted House | KCM | Previous three songs used as voting standard | Previous three songs used as voting standard | 4 |
| Battle | Mrs. Rose | Kim Yeon-ja | Nocturne (녹턴) | Lee Eun-mi | 17 |

### 134th Generation Mask King

* Contestants: Soyeon, Park Eun-ji, Shin Cheol (singer, born 1964) [ko] (Chuli and Miae [ko]), Cheetah, Jung Kyung-cheon [ko], Min Woo-hyuk, Kwak Seung-nam [ko] (Indigo Music [ko]), Sean Lee [ko]

#### Episode 267

Episode 267 was broadcast on August 9, 2020. This marks the beginning of the Hundred-thirty-fourth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Diver | Park So-yeon | Naengmyeon (냉면) | Park Myung-soo and Jessica | 19 |
| Pair 1 | Surfer | Park Eun-ji | Naengmyeon (냉면) | Park Myung-soo and Jessica | 2 |
| 2nd Song | Surfer | Park Eun-ji | Bad Girl Good Girl | Miss A | — |
| Pair 2 | Bachelor Ghost | Shin Cheol of Chuli and Miae | Eusha! Eusha! (으쌰! 으쌰!) | Shinhwa | 8 |
| Pair 2 | Virgin Ghost | Cheetah | Eusha! Eusha! (으쌰! 으쌰!) | Shinhwa | 13 |
| 2nd Song | Bachelor Ghost | Shin Cheol of Chuli and Miae | Hapjeong Station Exit 5 (합정역 5번 출구) | Yoo San-seul | — |
| Pair 3 | Voice Color Sniper | Jung Kyung-cheon | Go to the Beach (해변으로 가요) | Key Boys [ko] | 10 |
| Pair 3 | Voice Killer | Min Woo-hyuk | Go to the Beach (해변으로 가요) | Key Boys [ko] | 11 |
| 2nd Song | Voice Color Sniper | Jung Kyung-cheon | Love Is Going That Far Away (사랑이 저만치 가네) | Kim Jong-chan [ko] | — |
| Pair 4 | Summer, Please! | Kwak Seung-nam of Indigo | In Summer (여름 안에서) | Deux | 18 |
| Pair 4 | Wow! It's Summer! | Sean Lee | In Summer (여름 안에서) | Deux | 3 |
| 2nd Song | Wow! It's Summer! | Sean Lee | Emergency Room (응급실) | izi [ko] | — |

#### Episode 268

Episode 268 was broadcast on August 16, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Diver | Park So-yeon | Waiting (기다리다) | Younha | 8 |
| Pair 1 | Virgin Ghost | Cheetah | Um Um Um (음음음) | J. Y. Park | 13 |
| Pair 2 | Voice Killer | Min Woo-hyuk | Last Love (끝사랑) | Kim Bum-soo | 19 |
| Pair 2 | Summer, Please! | Kwak Seung-nam of Indigo | Plastic Syndrome (플라스틱 신드롬) | Kim Jong-seo | 2 |
| Special | Summer, Please! | Kwak Seung-nam of Indigo | Summer, Please! (여름아 부탁해) | Indigo | — |
| Round 3 ||||||
| Finalists | Virgin Ghost | Cheetah | Strangers (타인) | Young Turks Club | 7 |
| Finalists | Voice Killer | Min Woo-hyuk | Please (제발) | Deulgukhwa [ko] | 14 |
| Final ||||||
| Battle | Voice Killer | Min Woo-hyuk | Previous three songs used as voting standard | Previous three songs used as voting standard | 7 |
| Battle | Mrs. Rose | Kim Yeon-ja | People Are More Beautiful Than Flowers (사람이 꽃보다 아름다워) | Ahn Chi-hwan [ko] | 14 |

### 135th Generation Mask King

* Contestants: Geum Jan-di [ko], Kim Yang [ko], Jin Hua, Nakjoon, Kim Song [ko], U Sung-eun, Juri (Rocket Punch), Woodz

#### Episode 269

Episode 269 was broadcast on August 23, 2020. This marks the beginning of the Hundred-thirty-fifth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Wheat Noodles | Geum Jan-di | I Swear (다짐) | Jo Sung-mo | 4 |
| Pair 1 | Suwon Wang-galbi | Kim Yang | I Swear (다짐) | Jo Sung-mo | 17 |
| 2nd Song | Wheat Noodles | Geum Jan-di | Breakup with Her (그녀와의 이별) | Kim Hyun-jung | — |
| Pair 2 | Retriever | Jin Hua | Empty (공허해) | Winner | 6 |
| Pair 2 | Clubber | Nakjoon | Empty (공허해) | Winner | 15 |
| 2nd Song | Retriever | Jin Hua | Like Rain, Like Music (비처럼 음악처럼) | Kim Hyun-sik | — |
| Pair 3 | Five Stars! | Kim Song | In the Bus (버스 안에서) | Zaza [ko] | 5 |
| Pair 3 | Great | U Sung-eun | In the Bus (버스 안에서) | Zaza [ko] | 16 |
| 2nd Song | Five Stars! | Kim Song | One and a Half (일과 이분의 일) | Two Two | — |
| Pair 4 | Sweeping | Juri of Rocket Punch | To My Youth (나의 사춘기에게) | Bolbbalgan4 | 4 |
| Pair 4 | Three GO | Woodz | To My Youth (나의 사춘기에게) | Bolbbalgan4 | 17 |
| 2nd Song | Three GO | Juri of Rocket Punch | Dear Name (이름에게) | IU | — |

#### Episode 270

Episode 270 was broadcast on August 30, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Suwon Wang-galbi | Kim Yang | Break Me Down (소리쳐봐) | Hyun Jin-young | 14 |
| Pair 1 | Clubber | Nakjoon | Nothing Better | Brown Eyed Soul | 7 |
| Pair 2 | Great | U Sung-eun | Nocturne (야상곡) | Kim Yoon-ah | 13 |
| Pair 2 | Three GO | Woodz | Already Sad Love (이미 슬픈 사랑) | Yada [ko] | 8 |
| Round 3 ||||||
| Finalists | Suwon Wang-galbi | Kim Yang | Love Is (사랑은) | Leessang ft. Jung-in | 2 |
| Finalists | Great | U Sung-eun | I Will Go to You Like the First Snow (첫눈처럼 너에게 가겠다) | Ailee | 19 |
| Final ||||||
| Battle | Great | U Sung-eun | Previous three songs used as voting standard | Previous three songs used as voting standard | 8 |
| Battle | Mrs. Rose | Kim Yeon-ja | Mother (어매) | Na Hoon-a | 13 |

### 136th Generation Mask King

* Contestants: Han Seung-woo (Victon), Kim San-ho, Nam Seung-min [ko], Ahn Sung-hoon [ko], Park Bo-ram, Chae Eun-jung [ko] (Cleo), Kim Jung-eun [ko], Nam Hyun-joon

#### Episode 271

Episode 271 was broadcast on September 6, 2020. This marks the beginning of the Hundred-thirty-sixth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Blue Flag | Han Seung-woo of Victon | Move Dating (조조할인) | Lee Moon-sae | 17 |
| Pair 1 | White Flag | Kim San-ho | Move Dating (조조할인) | Lee Moon-sae | 4 |
| 2nd Song | White Flag | Kim San-ho | Rebirth (환생) | Yoon Jong-shin | — |
| Pair 2 | A Thousand Years of Love | Nam Seung-min | Passion (열정) | Seven | 5 |
| Pair 2 | Forbidden Love | Ahn Sung-hoon | Passion (열정) | Seven | 16 |
| 2nd Song | A Thousand Years of Love | Nam Seung-min | La La La (라라라) | SG Wannabe | — |
| Pair 3 | Golden Spoon | Park Bo-ram | Happy Me (행복한 나를) | Eco [ko] | 14 |
| Pair 3 | Silver Hairtail | Chae Eun-jung of Cleo | Happy Me (행복한 나를) | Eco [ko] | 7 |
| 2nd Song | Silver Hairtail | Chae Eun-jung of Cleo | Let's Not Meet Again (마주치지 말자) | Jang Hye-jin | — |
| Pair 4 | Hidden Objects | Kim Jung-eun | If I Hold You in My Arms (너를 품에 안으면) | Cult [ko] | 19 |
| Pair 4 | Minesweeper | Nam Hyun-joon | If I Hold You in My Arms (너를 품에 안으면) | Cult [ko] | 2 |
| 2nd Song | Minesweeper | Nam Hyun-joon | Sad Mannequin (슬픈 마네킹) | Hyun Jin-young and Wawa | — |

#### Episode 272

Episode 272 was broadcast on September 13, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Blue Flag | Han Seung-woo of Victon | Caffeine (카페인) | Yang Yo-seob ft. Yong Jun-hyung | 3 |
| Pair 1 | Forbidden Love | Ahn Sung-hoon | Everything Was You (전부 너였다) | Noel | 18 |
| Pair 2 | Golden Spoon | Park Bo-ram | Please (제발) | Lee So-ra | 7 |
| Pair 2 | Hidden Objects | Kim Jung-eun | Because I'm a Girl (여자이니까) | Kiss | 14 |
| Round 3 ||||||
| Finalists | Forbidden Love | Ahn Sung-hoon | Throw Away (연) | Big Mama | 10 |
| Finalists | Hidden Objects | Kim Jung-eun | Round and Round (빙글빙글) | Na-mi | 11 |
| Final ||||||
| Battle | Hidden Objects | Kim Jung-eun | Previous three songs used as voting standard | Previous three songs used as voting standard | 12 |
| Battle | Mrs. Rose | Kim Yeon-ja | I Need You (니가 필요해) | K.Will | 9 |

### 137th Generation Mask King

* Contestants: Joomin (Bijou [ko]), Ricky (South Korean singer) [ko] (Teen Top), Kim Hyun-jin (singer, born 2000) [ko] (Loona), Lee Hyung-taik, Shim Hyung-rae, Choi Ran, Yang Yo-seob (Highlight), Lee Hye-sung

#### Episode 273

Episode 273 was broadcast on September 20, 2020. This marks the beginning of the Hundred-thirty-seventh Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Jwibulnori | Joomin of Bijou | Gift (선물) | UN | 3 |
| Pair 1 | Fireworks | Ricky of Teen Top | Gift (선물) | UN | 18 |
| 2nd Song | Jwibulnori | Joomin of Bijou | The Day After You Left (헤어진 다음날) | Lee Hyun-woo | — |
| Pair 2 | Ok Guseul | HyunJin of Loona | When the Cold Wind Blows (찬바람이 불면) | Kim Ji-yeon [ko] | 18 |
| Pair 2 | Kitty Tail | Lee Hyung-taik | When the Cold Wind Blows (찬바람이 불면) | Kim Ji-yeon [ko] | 3 |
| 2nd Song | Kitty Tail | Lee Hyung-taik | Gypsy Woman (집시여인) | Lee Chi-hyun & His Friends [ko] | — |
| Pair 3 | Black Horse | Shim Hyung-rae | Ripe Persimmon (홍시(울엄마)) | Na Hoon-a | 13 |
| Pair 3 | White Horse | Choi Ran | Ripe Persimmon (홍시(울엄마)) | Na Hoon-a | 8 |
| 2nd Song | White Horse | Choi Ran | The Man in Yellow Shirt (노란 샤쓰의 사나이) | Han Myung-sook [ko] | — |
| Pair 4 | Buttumak Cat | Yang Yo-seob of Highlight | I Knew that I Love You (사랑하게 될 줄 알았어) | Shin Hyo-beom [ko] | 17 |
| Pair 4 | Seodang Dog | Lee Hye-sung | I Knew that I Love You (사랑하게 될 줄 알았어) | Shin Hyo-beom [ko] | 4 |
| 2nd Song | Seodang Dog | Lee Hye-sung | 17171771 | Jaurim | — |

#### Episode 274

Episode 274 was broadcast on September 27, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Fireworks | Ricky of Teen Top | You're Here Too (그대도 여기에) | Im Chang-jung | 13 |
| Pair 1 | Ok Guseul | HyunJin of Loona | Fox (여우야) | The Classic [ko] | 8 |
| Pair 2 | Black Horse | Shim Hyung-rae | Cotton Fields | Creedence Clearwater Revival | 2 |
| Pair 2 | Buttumak Cat | Yang Yo-seob of Highlight | It's Only Love (사랑일뿐야) | Kim Min-woo [ko] | 19 |
| Round 3 ||||||
| Finalists | Fireworks | Ricky of Teen Top | Same Pillow (같은 베개) | Tei | 1 |
| Finalists | Buttumak Cat | Yang Yo-seob of Highlight | Station (정류장) | Panic [ko] | 20 |
| Final ||||||
| Battle | Buttumak Cat | Yang Yo-seob of Highlight | Previous three songs used as voting standard | Previous three songs used as voting standard | 16 |
| Battle | Hidden Objects | Kim Jung-eun | In the Dead of the Night (모두 잠든 후에) | Kim Won-jun | 5 |

### 138th Generation Mask King

* Contestants: Seo Soo-nam [ko], Sleepy, Kwak Min-jeong, Kei (Lovelyz), Hyun Young, Kim Kyung-jin [ko], SoMyung [ko], Hong Jam-eon [ko]

#### Episode 275

Episode 275 was broadcast on October 4, 2020. This marks the beginning of the Hundred-thirty-eighth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Hung-chit-chit | Seo Soo-nam | Like Those Powerful Salmons That Come Against the River (거꾸로 강을 거슬러 오르는 저 힘찬 연어들처럼) | Kang San-ae | 3 |
| Pair 1 | Good For You, Really | Sleepy | Like Those Powerful Salmons That Come Against the River (거꾸로 강을 거슬러 오르는 저 힘찬 연어들처럼) | Kang San-ae | 18 |
| 2nd Song | Hung-chit-chit | Seo Soo-nam | We Are (우리는) | Song Chang-sik | — |
| Pair 2 | The Lion | Kwak Min-jeong | Violet Fragrance (보랏빛향기) | Kang Susie | 5 |
| Pair 2 | Gaksital | Kei of Lovelyz | Violet Fragrance (보랏빛향기) | Kang Susie | 16 |
| 2nd Song | The Lion | Kwak Min-jeong | You're to Me And I'm to You (The Classic OST) (너에게 난, 나에게 넌) | Jatanpung [ko] | — |
| Pair 3 | Janggu Girl | Hyun Young | Safety (안부) | Byul & Na Yoon-kwon [ko] | 20 |
| Pair 3 | Ajaeng Man | Kim Kyung-jin | Safety (안부) | Byul & Na Yoon-kwon [ko] | 1 |
| 2nd Song | Ajaeng Man | Kim Kyung-jin | I Have No Problem (나는 문제 없어) | Hwang Gyu-young [ko] | — |
| Pair 4 | Dumbfounded | SoMyung | Dear Young (젊은 그대) | Kim Soo-chul | 9 |
| Pair 4 | Mett-Dol | Hong Jam-eon | Dear Young (젊은 그대) | Kim Soo-chul | 12 |
| 2nd Song | Dumbfounded | SoMyung | Stand Up (일어나) | Kim Kwang-seok | — |
| Special | Dumbfounded | SoMyung | Bye Bye Ya (빠이빠이야) | SoMyung | — |

#### Episode 276

Episode 276 was broadcast on October 11, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Good For You, Really | Sleepy | After We Broke (사랑한 후에) | Shin Sung-woo | 5 |
| Pair 1 | Gaksital | Kei of Lovelyz | Fate (인연) | Lee Sun-hee | 16 |
| Pair 2 | Janggu Girl | Hyun Young | Meaning of You (너의 의미) | Sanulrim | 8 |
| Pair 2 | Mett-Dol | Hong Jam-eon | Just Trust Me (오빠만 믿어) | Park Hyun-bin | 13 |
| Special | Janggu Girl | Hyun Young | Sister's Dream (누나의 꿈) | Hyun Young | — |
| Round 3 ||||||
| Finalists | Gaksital | Kei of Lovelyz | The Lonely Bloom Stands Alone (시든 꽃에 물을 주듯) | Hynn | 16 |
| Finalists | Mett-Dol | Hong Jam-eon | Nemo's Dream (네모의 꿈) | White [ko] | 5 |
| Final ||||||
| Battle | Gaksital | Kei of Lovelyz | Previous three songs used as voting standard | Previous three songs used as voting standard | 10 |
| Battle | Buttumak Cat | Yang Yo-seob of Highlight | As Time Goes By (세월이 가면) | Choi Ho-seop [ko] | 11 |

### 139th Generation Mask King

* Contestants: Jin Si-mon [ko], Shin Seung-hwan, Lee Dae-won [ko], Hwang Chan-seob [ko], Yezi, Soohyun [ko] (U-KISS), Ahn Ye-eun, Mino (singer) [ko] (Free Style [ko])

#### Episode 277

Episode 277 was broadcast on October 18, 2020. This marks the beginning of the Hundred-thirty-ninth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Yeosu Night Sea | Jin Si-mon | You That Meet Unexpectedly (어쩌다 마주친 그대) | Songolmae [ko] | 16 |
| Pair 1 | Train for Chuncheon | Shin Seung-hwan | You That Meet Unexpectedly (어쩌다 마주친 그대) | Songolmae [ko] | 5 |
| 2nd Song | Train for Chuncheon | Shin Seung-hwan | Spring Days of My Life (내 생애 봄날은) | Can | — |
| Pair 2 | A Match of Ssireum | Lee Dae-won | Love Fool (사랑의 바보) | The Nuts [ko] | 18 |
| Pair 2 | A Plate of Eggs | Hwang Chan-seop | Love Fool (사랑의 바보) | The Nuts [ko] | 3 |
| 2nd Song | A Plate of Eggs | Hwang Chan-seop | Delete (삭제) | Lee Seung-gi | — |
| Pair 3 | Dynamite | Yezi | Dynamite | BTS | 10 |
| Pair 3 | Ammonite | Soohyun of U-KISS | Dynamite | BTS | 11 |
| 2nd Song | Dynamite | Yezi | Rose | Lee Hi | — |
| Pair 4 | Ring Expedition | Ahn Ye-eun | T.O.P. | Shinhwa | 11 |
| Pair 4 | Refund Expedition | Mino of Free Style | T.O.P. | Shinhwa | 10 |
| 2nd Song | Refund Expedition | Mino of Free Style | I'll Become Dust (먼지가 되어) | Lee Miki [ko] | — |

#### Episode 278

Episode 278 was broadcast on October 25, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Yeosu Night Sea | Jin Si-mon | Where is the End of Your Separation (이별의 끝은 어디인가요) | Yang Soo-kyung [ko] | 9 |
| Pair 1 | A Match of Ssireum | Lee Dae-won | Dance with Wolf (늑대와 함께 춤을) | Im Chang-jung | 12 |
| Pair 2 | Ammonite | Soohyun of U-KISS | I Hope (바래) | F.T. Island | 7 |
| Pair 2 | Ring Expedition | Ahn Ye-eun | Choice (선택) | Baek Ji-young | 14 |
| Round 3 ||||||
| Finalists | A Match of Ssireum | Lee Dae-won | Don't Forget (잊지 말아요) | Baek Ji-young | 4 |
| Finalists | Ring Expedition | Ahn Ye-eun | Four Seasons (사계) | Taeyeon | 17 |
| Final ||||||
| Battle | Ring Expedition | Ahn Ye-eun | Previous three songs used as voting standard | Previous three songs used as voting standard | 5 |
| Battle | Buttumak Cat | Yang Yo-seob of Highlight | When Our Lives Are Almost Over (우리 앞의 생이 끝나갈때) | Infinite Track [ko] | 16 |

### 140th Generation Mask King

* Contestants: Yuqi ((G)I-dle), HaEun (singer, born March 1994) [ko], Epaksa, Wi Il-cheong [ko], Minhyuk (Monsta X), Ryu Hwa-young, Seo Dong-joo [ko], Jeon Won-joo [ko]

#### Episode 279

Episode 279 was broadcast on November 1, 2020. This marks the beginning of the Hundred-fortieth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Pineapple Pizza | Yuqi of (G)I-dle | Holo (홀로) | Lee Hi | 7 |
| Pair 1 | Mint Choco | HaEun | Holo (홀로) | Lee Hi | 14 |
| 2nd Song | Pineapple Pizza | Yuqi of (G)I-dle | Missing You (그리워해요) | 2NE1 | — |
| Pair 2 | Firefly | Epaksa | For Love (사랑을 위하여) | Kim Jong-hwan | 4 |
| Pair 2 | Sintobuli | Wi Il-cheong | For Love (사랑을 위하여) | Kim Jong-hwan | 17 |
| 2nd Song | Firefly | Epaksa | Love Grass (풀잎사랑) | Choi Sung-soo [ko] | — |
| Special | Firefly | Epaksa | Monkey Magic (몽키매직) | Epaksa | — |
| Pair 3 | Vinous-throated Parrotbill | Minhyuk of Monsta X | Love Alone (혼자하는 사랑) | Ann [ko] | 17 |
| Pair 3 | Oriental Stork | Ryu Hwa-young | Love Alone (혼자하는 사랑) | Ann [ko] | 4 |
| 2nd Song | Oriental Stork | Ryu Hwa-young | Childish Adult (어른 아이) | Gummy | — |
| Pair 4 | Red Chili Paste | Seo Dong-joo | Meeting (만남) | Noh Sa-yeon | 4 |
| Pair 4 | Soybean Paste | Jeon Won-joo | Meeting (만남) | Noh Sa-yeon | 17 |
| 2nd Song | Red Chili Paste | Seo Dong-joo | Only Walk the Flower Road (꽃길만 걷게 해줄게) | Daybreak | — |

#### Episode 280

Episode 280 was broadcast on November 8, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Mint Choco | HaEun | Farewell Under the Sun (대낮에 한 이별) | Park Jin-young & Sunye | 12 |
| Pair 1 | Sintobuli | Wi Il-cheong | I Can't Quite Put My Finger on It (뭐라고 딱 꼬집어 얘기할 수 없어요) | Love and Peace [ko] | 9 |
| Special | Sintobuli | Wi Il-cheong | So Now (ft. So Chan-whee) (이제는) | Seoul Family [ko] | — |
| Pair 2 | Vinous-throated Parrotbill | Minhyuk of Monsta X | Even Loved the Pain (그 아픔까지 사랑한거야) | Jo Jeong-hyun [ko] | 14 |
| Pair 2 | Soybean Paste | Jeon Won-joo | What's Wrong with My Age (내 나이가 어때서) | Oh Seung-geun [ko] | 7 |
| Round 3 ||||||
| Finalists | Mint Choco | HaEun | I Do | Rain | 15 |
| Finalists | Vinous-throated Parrotbill | Minhyuk of Monsta X | I Have to Forget You (슬픔속에 그댈 지워야만 해) | Lee Hyun-woo | 6 |
| Final ||||||
| Battle | Mint Choco | HaEun | Previous three songs used as voting standard | Previous three songs used as voting standard | 10 |
| Battle | Buttumak Cat | Yang Yo-seob of Highlight | Ask Myself (물어본다) | Lee Seung-hwan | 11 |

### 141st Generation Mask King

* Contestants: Kal So-won, Jaechan (DKZ), Joo Da-in (JuJu Club [ko]), Yeom Kyung-hwan [ko], Kim Lip (singer) [ko] (Loona), Seo Jeong-hee (actress) [ko], Woo Ji-yoon (singer) [ko] (Bolbbalgan4), Penomeco

#### Episode 281

Episode 281 was broadcast on November 15, 2020. This marks the beginning of the Hundred-forty-first Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Pure Comics | Kal So-won | Last Goodbye (오랜 날 오랜 밤) | AKMU | 11 |
| Pair 1 | Cheerful Comics | Jaechan of Dongkiz | Last Goodbye (오랜 날 오랜 밤) | AKMU | 10 |
| 2nd Song | Cheerful Comics | Jaechan of Dongkiz | Officially Missing You | Geeks | — |
| Pair 2 | Tango | Joo Da-in of JuJu Club | Wind Wind Wind (바람 바람 바람) | Kim Beom-ryong [ko] | 18 |
| Pair 2 | Jitterbug | Yeom Kyung-hwan | Wind Wind Wind (바람 바람 바람) | Kim Beom-ryong [ko] | 3 |
| 2nd Song | Jitterbug | Yeom Kyung-hwan | Romance (연애) | Kim Hyun-chul [ko] | — |
| Pair 3 | Balloon Gum | Kim Lip of Loona | Wind Please Stop Blowing (바람아 멈추어다오) | Lee Ji-yeon [ko] | 17 |
| Pair 3 | Marshmallows | Seo Jeong-hee | Wind Please Stop Blowing (바람아 멈추어다오) | Lee Ji-yeon [ko] | 4 |
| 2nd Song | Marshmallows | Seo Jeong-hee | I Don't Know Anything But Love (사랑밖엔 난 몰라) | Sim Soo-bong | — |
| Pair 4 | Abracadabra | Woo Ji-yoon | Really Really | Winner | 8 |
| Pair 4 | Yabalabahigiya Mohaimohairura | Penomeco | Really Really | Winner | 13 |
| 2nd Song | Abracadabra | Woo Ji-yoon | Nappa (나빠) | Crush | — |

#### Episode 282

Episode 282 was broadcast on November 22, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Pure Comics | Kal So-won | Just Like First Sight (처음 그 느낌처럼) | Shin Seung-hun | 10 |
| Pair 1 | Tango | Joo Da-in of JuJu Club | Waiting Everyday (매일 매일 기다려) | T△S | 11 |
| Pair 2 | Balloon Gum | Kim Lip of Loona | Want and Resent (원하고 원망하죠) | As One | 8 |
| Pair 2 | Yabalabahigiya Mohaimohairura | Penomeco | How You Like That | Blackpink | 13 |
| Round 3 ||||||
| Finalists | Tango | Joo Da-in of JuJu Club | My Own Your Shape (나만의 그대 모습) | B612 | 4 |
| Finalists | Yabalabahigiya Mohaimohairura | Penomeco | Eyes, Nose, Lips (눈, 코, 입) | Taeyang | 17 |
| Special | Tango | Joo Da-in of JuJu Club | I Am Me (나는 나) | JuJu Club [ko] | — |
| Final ||||||
| Battle | Yabalabahigiya Mohaimohairura | Penomeco | Previous three songs used as voting standard | Previous three songs used as voting standard | 1 |
| Battle | Buttumak Cat | Yang Yo-seob of Highlight | Adult (My Mister OST) (어른) | Sondia | 20 |

### 142nd Generation Mask King

* Contestants: Denise Kim [ko] (Secret Number), Ryang Ha (singer) [ko] (Ryang Hyun Ryang Ha [ko]), Yedam (Treasure), Yoo So-young, Im Joo-ri [ko], Wang Seok-hyeon, Muwoong [ko] (Baechigi), Louie (Geeks)

#### Episode 283

Episode 283 was broadcast on November 29, 2020. This marks the beginning of the Hundred-forty-second Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Music Note | Denise of Secret Number | I Don't Love You (널 사랑하지 않아) | Urban Zakapa | 16 |
| Pair 1 | Comma | Ryang Ha of Ryang Hyun Ryang Ha | I Don't Love You (널 사랑하지 않아) | Urban Zakapa | 5 |
| 2nd Song | Comma | Ryang Ha of Ryang Hyun Ryang Ha | To Mother (어머님께) | g.o.d | — |
| Special | Comma | Ryang Ha of Ryang Hyun Ryang Ha | I Didn't Go to School! (학교를 안갔어) | Ryang Hyun Ryang Ha [ko] | — |
| Pair 2 | High School Senior | Yedam of Treasure | Sorrow (애상) | Cool | 16 |
| Pair 2 | Gosa | Yoo So-young | Sorrow (애상) | Cool | 5 |
| 2nd Song | Gosa | Yoo So-young | It Would Be Good (좋을텐데) | Sung Si-kyung | — |
| Pair 3 | Bongsun Yi | Im Joo-ri | Bongsook (봉숙이) | Rose Motel [ko] | 18 |
| Pair 3 | Bongsook | Wang Seok-hyeon | Bongsook (봉숙이) | Rose Motel [ko] | 3 |
| 2nd Song | Bongsook | Wang Seok-hyeon | Amazing You (그대라는 사치) | Han Dong-geun | — |
| Pair 4 | Rice Pancake | Muwoong of Baechigi | Ballerino | Leessang | 12 |
| Pair 4 | Memil-muk | Louie of Geeks | Ballerino | Leessang | 9 |
| 2nd Song | Memil-muk | Louie of Geeks | For Lovers who Hesitate (주저하는 연인들을 위해) | Jannabi | — |

#### Episode 284

Episode 284 was broadcast on December 6, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Music Note | Denise of Secret Number | Make Up | Sam Kim ft. Crush | 12 |
| Pair 1 | High School Senior | Yedam of Treasure | My Love | Lee Seung-chul | 9 |
| Pair 2 | Bongsun Yi | Im Joo-ri | The Lost Umbrella (잃어버린 우산) | Woo Soon-sil [ko] | 10 |
| Pair 2 | Rice Pancake | Muwoong of Baechigi | Highway Romance (고속도로 Romance) | Yoon Jong-shin | 11 |
| Special | Bongsun Yi | Im Joo-ri | Wearing Dark Lipstick (립스틱 짙게 바르고) | Im Joo-ri [ko] | — |
| Round 3 ||||||
| Finalists | Music Note | Denise of Secret Number | On | BTS | 13 |
| Finalists | Rice Pancake | Muwoong of Baechigi | One Flew Over the Cuckoo's Nest (뻐꾸기 둥지위로 날아간 새) | Kim Gun-mo | 8 |
| Final ||||||
| Battle | Music Note | Denise of Secret Number | Previous three songs used as voting standard | Previous three songs used as voting standard | 6 |
| Battle | Buttumak Cat | Yang Yo-seob of Highlight | To Me (내게로) | Jang Hye-jin | 15 |

### 143rd Generation Mask King

* Contestants: Nancy (Momoland), Mihal Ashminov, Samuel Seo, Choi Hwan-hee [ko], Hwang Gyu-young [ko], Shin Jin-sik, Seo Kwon-soon [ko], Taru [ko]

#### Episode 285

Episode 285 was broadcast on December 13, 2020. This marks the beginning of the Hundred-forty-third Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | Jingle Bell | Nancy of Momoland | Do You Want to Build a Snowman? | Kristen Bell & Agatha Lee Monn & Katie Lopez | 20 |
| Pair 1 | Golden Bell | Mihal Ashminov | Do You Want to Build a Snowman? | Kristen Bell & Agatha Lee Monn & Katie Lopez | 1 |
| 2nd Song | Golden Bell | Mihal Ashminov | Weeds (잡초) | Na Huna | — |
| Pair 2 | Manhole | Samuel Seo | Day Day | Bewhy ft. Jay Park | 14 |
| Pair 2 | Black Hole | Choi Hwan-hee | Day Day | Bewhy ft. Jay Park | 7 |
| 2nd Song | Black Hole | Choi Hwan-hee | Bar Code (바코드) | Haon & Vinxen | — |
| Pair 3 | JinBbang | Hwang Gyu-young | Jealousy (질투) | Yoo Seung-beom | 16 |
| Pair 3 | GonggalBang | Shin Jin-sik | Jealousy (질투) | Yoo Seung-beom | 5 |
| 2nd Song | GonggalBang | Shin Jin-sik | Blissful Confession (황홀한 고백) | Yoon Soo-il | — |
| Pair 4 | Solo Heaven | Seo Kwon-soon | Teahouse of the Winter (그 겨울의 찻집) | Cho Yong-pil | 2 |
| Pair 4 | Couple Hell | Taru | Teahouse of the Winter (그 겨울의 찻집) | Cho Yong-pil | 19 |
| 2nd Song | Solo Heaven | Seo Kwon-soon | About Five Hundred Years (한오백년) | — | — |

#### Episode 286

Episode 286 was broadcast on December 20, 2020.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 2 ||||||
| Pair 1 | Jingle Bell | Nancy of Momoland | Atlantis Princess (아틀란티스 소녀) | BoA | 5 |
| Pair 1 | Manhole | Samuel Seo | Two Melodies (뻔한 멜로디) | Zion.T ft. Crush | 16 |
| Pair 2 | JinBbang | Hwang Gyu-young | Can't Sleep Night (잠도 오지 않는 밤에) | Lee Seung-chul | 2 |
| Pair 2 | Couple Hell | Taru | Sorry, I Hate You (미안해 널 미워해) | Jaurim | 19 |
| Round 3 ||||||
| Finalists | Manhole | Samuel Seo | Smiling Angel (미소천사) | Sung Si-kyung | 9 |
| Finalists | Couple Hell | Taru | Nilily Mambo (늴리리 맘보) | Kim Jeong-ae | 12 |
| Final ||||||
| Battle | Couple Hell | Taru | Previous three songs used as voting standard | Previous three songs used as voting standard | 3 |
| Battle | Buttumak Cat | Yang Yo-seob of Highlight | End of a Day (하루의 끝) | Jonghyun | 18 |

### 144th Generation Mask King

* Contestants: Elly (Weki Meki), Jeong Minseong (La Poem), Heo Chan (singer, born 1995) [ko] (Victon), Outsider, Nam Hyun-hee, Shin Hyun-woo [ko] (Sohodae [ko]), Park Nam-jung [ko], Jung Dong-nam [ko]
Episode 287 was broadcast on December 27, 2020. This marks the beginning of the Hundred-forty-fourth Generation.
| Order | Stage Name | Real Name | Song | Original artist | Vote |
| Round 1 ||||||
| Pair 1 | 2020 Was Tough, Rat! | Elly of Weki Meki | That Man, That Woman (그 남자 그 여자) | Vibe | 8 |
| Pair 1 | 2021 Cheer Up, Ox! | Jeong Minseong of La Poem | That Man, That Woman (그 남자 그 여자) | Vibe | 13 |
| 2nd Song | 2020 Was Tough, Rat! | Elly of Weki Meki | Don't Flirt (끼부리지마) | Winner | — |
| Pair 2 | Miracles in December | Chan of Victon | Snail (달팽이) | Panic [ko] | 15 |
| Pair 2 | The Last Leaf | Outsider | Snail (달팽이) | Panic [ko] | 6 |
| 2nd Song | The Last Leaf | Outsider | Hayeoga (하여가) | Seo Taiji and Boys | — |
| Special | The Last Leaf | Outsider | Loner (외톨이) | Outsider | — |
| Pair 3 | Already A Year | Nam Hyun-hee | Couple (커플) | Sechs Kies | 6 |
| Pair 3 | Countdown | Shin Hyun-woo of Sohodae | Couple (커플) | Sechs Kies | 15 |
| 2nd Song | Already A Year | Nam Hyun-hee | I Don't Know Yet What Love Is (난 사랑을 아직 몰라) | Lee Ji-yeon [ko] | — |
| Pair 4 | The Twelfth Brother | Park Nam-jung | The Dance in Rhythm (리듬 속의 그 춤을) | Kim Wan-sun | 15 |
| Pair 4 | The Ten Commandments | Jung Dong-nam | The Dance in Rhythm (리듬 속의 그 춤을) | Kim Wan-sun | 6 |
| 2nd Song | The Ten Commandments | Jung Dong-nam | Tes Bros (테스형) | Na Hoon-a | — |