# On & Off (TV series)

On & Off (Korean: 온앤오프; or On and Off) is a South Korean television program that aired on tvN.
Season 1 of the program aired on Saturdays, from May 2 to December 5, 2020.
Season 2 of the program aired on Tuesdays, from February 16 to May 25, 2021.

## Airtime

| Season | Episodes | Air date | Airtime |
| 1 | 31 | May 2 – December 5, 2020 | Saturdays at 10:40 PM KST |
| 2 | 14 | February 16 – May 25, 2021 | Tuesdays at 10:30 PM KST |

## Overview

It is a show of personal documentary, where celebrities share their "On" (busy working daily life) and/or "Off" (private/at home) moments of their lives. These moments are observed and commented.

## Cast
### Season 1

* Sung Si-kyung
* Jo Se-ho
* Kim Min-ah

### Season 2

* Uhm Jung-hwa
* Sung Si-kyung
* Nucksal
* Yoon Park
* Choa

## Episodes

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

### Season 1 (2020)

* No episode on October 3 due to Chuseok, and Parasite was aired instead.
| Ep. | Broadcast date | Celebrities' daily lives shown | Additional studio guest(s) | Ratings (Nielsen Korea) (Nationwide) |
| 1 | May 2 | Sung Si-kyung, Jo Se-ho | Chris Lyon [ko], Ahn Ji-young (Bolbbalgan4) | 0.878% |
| 2 | May 9 | Kim Min-ah, Sung Si-kyung | Chris Lyon [ko], Ahn Ji-young (Bolbbalgan4) | 1.031% |
| 3 | May 16 | Ahn Ji-young (Bolbbalgan4), Kim Min-ah, Sung Si-kyung | Chris Lyon | 0.843% |
| 4 | May 23 | Kim Min-ah + Jo Se-ho, Sung Si-kyung, Shim Eun-woo | Chris Lyon | 2.294% |
| 5 | May 30 | Solar (Mamamoo), Kim Dong-wan (Shinhwa), Kim Min-ah | Chris Lyon, Shim Eun-woo | 2.135% |
| 6 | June 6 | Choi Gwi-hwa, Yoona (Girls' Generation) | Chris Lyon | 1.763% |
| 7 | June 13 | Sung Si-kyung, Hyun Woo, Hyojung (Oh My Girl) | Chris Lyon, Arin (Oh My Girl) | 2.375% |
| 8 | June 20 | Yubin, Gyeongree, Jo Se-ho | Chris Lyon | 1.601% |
| 9 | June 27 | Solar (Mamamoo), Kim Dong-wan (Shinhwa) | Chris Lyon, Lee Elijah | 1.993% |
| 10 | July 4 | Sung Si-kyung, Lee Elijah | Chris Lyon | 1.657% |
| 11 | July 11 | Sung Si-kyung, Stefanie Michova [ko] | Lee Elijah, Kim Dong-jun | 1.886% |
| 12 | July 18 | Sung Si-kyung, Kim Dong-jun | Lee Elijah, Stefanie Michova | 1.918% |
| 13 | July 25 | Choi Yeo-jin, Kim Min-ah, Sojin (Girl's Day) | Soyou | 2.319% |
| 14 | August 1 | Sung Si-kyung + Kim Dong-wan (Shinhwa), Soyou | Sojin (Girl's Day), Uhm Jung-hwa | 2.223% |
| 15 | August 8 | Uhm Jung-hwa, Jo Se-ho | Kim Dong-wan (Shinhwa) | 2.755% |
| 16 | August 15 | Sung Si-kyung, Shim Eun-woo | Han Bo-reum | 2.366% |
| 17 | August 22 | Stefanie Michova, Han Bo-reum | Choi Yeo-jin, Park Byung-eun, Shim Eun-woo | 2.280% |
| 18 | August 29 | Kim Min-ah, Park Byung-eun, Lee Hi | Stefanie Michova, Choi Yeo-jin | 1.927% |
| 19 | September 5 | Kim Sae-ron, Stefanie Michova + Beenzino | — | 1.958% |
| 20 | September 12 | Jang Hee-jin, Sung Si-kyung, Stefanie Michova + Beenzino | Kim Sae-ron | 2.087% |
| 21 | September 19 | Hong Soo-hyun, Sung Si-kyung + Kim Dong-wan (Shinhwa), Kim Min-ah | — | 1.899% |
| 22 | September 26 | Kim Wan-sun, Sung Si-kyung + Kim Dong-wan (Shinhwa) | Hong Soo-hyun | 2.415% |
| 23 | October 10 | Jiyeon (T-ara), Lee Hye-sung | — | 2.560% |
| 24 | October 17 | Sung Si-kyung, Nucksal, Yoon Jin-yi | Lee Hye-sung | 1.368% |
| 25 | October 24 | Go Ah-sung, Jang Woo-hyuk (H.O.T.), Kim Min-ah | Hyojung (Oh My Girl) | 1.755% |
| 26 | October 31 | Song Min-ho (Winner), Ivy, Solar (Mamamoo) | — | 1.898% |
| 27 | November 7 | Haemin, Koo Jun-yup (Clon), Jo Se-ho | Nucksal | 2.202% |
| 28 | November 14 | Son Yeon-jae, Kim Min-ah, Sung Si-kyung | Lee Hye-sung, Nucksal | 2.572% |
| 29 | November 21 | Nam Gyu-ri, Sunny (Girls' Generation) | Nucksal | 2.154% |
| 30 | November 28 | Lee Ji-ah, Yoon Park, Jukjae [ko] | Nucksal | 2.983% |
| 31 | December 5 | Jang Ye-won, Ayumi, Hwangbo | Nucksal | 1.699% |

#### Notes

* ↑ Also appear as studio guests (other than the 3 fixed cast members/hosts Sung Si-kyung, Jo Se-ho and Kim Min-ah)
* ↑ Special appearance by Nam Chang-hee [ko]
* ↑ Special voice appearance by Lee Hak-joo through phone
* ↑ Special appearance by Lee Jin-hee
* ↑ Special appearances by Johan Kim (Solid) and Baek Ji-young
* ↑ Special appearances by Oh My Girl (Seunghee [ko], Arin)
* ↑ Special appearances by Kim Min-kyung [ko], Lee Byung-ho and Jeon Yu-seong [ko]
* ↑ Special appearances by the rest of the On & Off cast, Chris Lyon and Ahn Ji-young (Bolbbalgan4); special voice appearance by Yoo Yeon-seok
* 1 2 Special appearance by Beenzino
* ↑ Special appearance by Shin Ye-eun
* ↑ Special appearance by Lee Min-ji
* ↑ Special appearance by Nicole Jung
* ↑ Special appearance by Lee So-ra
* ↑ Special appearances by Shin Dong-yup and Kim Jun-hyun
* ↑ Special appearance by Code Kunst
* ↑ Special appearance by Kim Ji-hoon
* ↑ Special appearances by T-ara (Qri, Eunjung, Hyomin) and IU
* ↑ Special appearances by the cast of DoReMi Market
* ↑ Special appearances by Ryu Hyun-kyung, Esom and Park Hye-su
* ↑ Special appearance by P.O (Block B)
* ↑ Special appearance by Moonbyul (Mamamoo)
* ↑ Special appearance by Daniel Tudor
* ↑ Special appearance by Shim Tae-yoon [ko]
* ↑ Special appearances by Nam Chang-hee, Lee Jin-ho [ko] and Yang Se-chan
* ↑ Special appearance by BoA
* ↑ Special appearance by Kwak Dong-yeon
* ↑ Special appearance by You Hee-yeol and Sam Kim
* ↑ Special appearance by Jang Ye-in [ko]
* ↑ Special appearance by Jeon Hye-bin
* ↑ Special appearance by Jo Se-ho

### Season 2 (2021)

* No episode on April 13, and episode 1 of House on Wheels Season 2 was aired instead.
| Ep. | Broadcast date | Celebrities' daily lives shown | Additional studio guest(s) | Nationwide ratings (Nielsen Korea) |
| 32 | February 16 | Uhm Jung-hwa + Sung Si-kyung, Cha Chung-hwa, Choa | — | 2.928% |
| 33 | February 23 | Park Tae-hwan, Kim Dong-kyu, Chungha | — | 2.504% |
| 34 | March 2 | Han Ye-ri, Yoon Park, Park Bom | Cha Chung-hwa | 1.879% |
| 35 | March 9 | Sung Si-kyung, Don Spike, Choa | Cha Chung-hwa | 2.195% |
| 36 | March 16 | Han Chae-ah, Julien Kang, Cha Chung-hwa | — | 2.205% |
| 37 | March 23 | Jiyeon (T-ara), Jessi, Sung Si-kyung + Yoon Park + Nucksal | — | 1.729% |
| 38 | March 30 | Kim Se-jeong, Go Won-hee | Hani (EXID) | 1.995% |
| 39 | April 6 | Lee Seung-yoon, Nam Gyu-ri, Hani (EXID) | Go Won-hee, Kim Se-jeong | 2.390% |
| 40 | April 20 | Uhm Jung-hwa, Sung Si-kyung | Oh Yeon-seo, Lee Jeong-hyun | 1.917% |
| 41 | April 27 | Uee, Ock Joo-hyun | — | 1.901% |
| 42 | May 4 | Uhm Jung-hwa + Jung Jae-hyung | — | 2.732% |
| 43 | May 11 | Oh Yeon-seo, Lee Jeong-hyun, Shin Dong-mi | — | 1.675% |
| 44 | May 18 | Lee So-yeon, Yoo Su-jin [ko], Yura (Girl's Day) | — | 2.284% |
| 45 | May 25 | Sung Si-kyung, Kim Yoon-ah (Jaurim) | — | 2.096% |

#### Notes

* ↑ Also appear as studio guests (other than the 5 fixed cast members/hosts Uhm Jung-hwa, Sung Si-kyung, Nucksal, Yoon Park and Choa)
* ↑ Special appearances by Um Ki-joon and Yoo Byung-jae
* ↑ Special appearances by Chaeyeon (DIA) and Kang Mi-na
* ↑ Special appearances by Yoo Min-sang [ko] and Han So-young [ko]
* ↑ Special appearances by T-ara (Qri, Eunjung, Hyomin)
* ↑ Special appearance by Jihyo (Twice)
* ↑ Special appearance by Jeon Hye-bin
* ↑ Special appearances by Jung Hong-il and Lee Mu-jin
* ↑ Special appearances by Cha Min-ji and Jung In-sun
* ↑ Special appearances by Kim Jong-kook and Haha
* ↑ Special appearance by Choi Yeo-jin
* ↑ Special appearance by Yoon Shi-yoon
* ↑ Special appearance by Kim Hyung-kyu [ko]

## Awards and nominations

| Year | Award | Category | Recipient(s) | Result | Ref. |
| 2021 | Korea First Brand Awards | Best Observation Variety Program Award | On & Off | Won | |