Yumi's Cells Season 3: Production, Cast, and Broadcast History
Yumi's Cells Season 3 (Korean: 유미의 세포들 시즌3) is a South Korean television drama series that aired in 2026. Directed by Lee Sang-Yeob, the series continues the adaptation of the popular Naver webcomic written by Lee Dong-Gun.
Plot Synopsis
Kim Yu-Mi (Kim Go-Eun) has achieved her dream of becoming a writer and is now recognized as a star writer. However, her daily routine has grown monotonous. Her life takes an unexpected turn when an unpredictable romance enters her world with the arrival of Shin Soon-Rok (Kim Jae-Won), reinvigorating the calm village of her internal cells.
Cast and Characters
The series features the following main and supporting cast members:
- Kim Go-Eun as Kim Yu-Mi
- Kim Jae-Won as Shin Soon-Rok
- Daniel Choi as Kim Ju-Ho
- Jun Suk-Ho as Ahn Dae-Young
- Cho Hye-Jung as Baek Na-Hee
- Park Se-In as PD Jang
- Kang Min-Joo as PD Yoo
- Chansung as PD Yoon (ep. 1)
- Do Yoon-Joo as Writer Isabelle
- Lee Yoo-Bi as Lee Ruby
- Mi-Ram as Kang Yi-Da
- Jeon So-Young as Hwang Jenny
- Sung Ji-Ru as Kim Man-Sik
- Yun Yoo-Sun as Young-Sim
- Ahn Bo-Hyun as Ku Woong (ep. 8)
- Jin Young as Yoo Ba-Bi (ep. 8)
Broadcast Details
The series consisted of 8 episodes and aired from April 13 to May 5, 2026. It was broadcast on TVING and tvN, taking over the Monday and Tuesday 20:50 time slot previously occupied by Siren's Kiss.
Episode Ratings
| Date | Episode | AGB Nationwide | AGB Seoul |
|---|---|---|---|
| 2026-04-13 | 1 | 2.252% | 2.544% |
| 2026-04-14 | 2 | 1.737% | 2.030% |
| 2026-04-20 | 3 | 2.263% | 2.460% |
| 2026-04-21 | 4 | 1.920% | 2.170% |
| 2026-04-27 | 5 | 2.310% | 2.798% |
| 2026-04-28 | 6 | 2.028% | 2.372% |
| 2026-05-04 | 7 | 2.107% | 2.199% |
| 2026-05-05 | 8 | 2.496% | 2.870% |
Awards
- 5th Blue Dragon Series Awards (2026): Best New Actor – Kim Jae-Won