Yumi’s Cells Season 3: Release Date, Cast, and Everything You Need to Know

Kim Go-eun returns to her titular role in the third season of the South Korean series Yumi’s Cells, marking the show’s return after a four-year hiatus. The series, which blends live-action performances with 3D animation to depict the internal workings of the protagonist’s mind, is scheduled to premiere on April 13, 2026.

The upcoming season is an original TVing series. On April 7, 2026, Kim Go-eun attended a photocall session for the new season alongside director Lee Sang-yeob and co-actor Kim Jae-won.

Release Schedule and Broadcast Details

Yumi’s Cells Season 3 consists of eight episodes. The release schedule varies across different platforms and regions:

• TVING: New episodes will drop two at a time every Monday at 6 p.m. KST, starting April 13, 2026, and concluding with the final two episodes on May 4, 2026.
• tvN: The series will broadcast every Monday and Tuesday at 8:50 p.m. KST.
• HBO Max: The series is set to premiere on April 13, 2026, with new episodes airing every Monday until the finale on May 4, 2026.

Production and Cast Overview

The series continues the story of Kim Yumi, an ordinary office worker. The narrative utilizes a psychological romance framework, exploring Yumi’s daily life through the perspective of the cells in her head.

Kim Go-eun reprises her role as Yumi, while Kim Jae-won joins the cast as a lead in the new romantic comedy chapters. Director Lee Sang-yeob returns to lead the production, maintaining the creative direction established in the first two seasons.

Series Background and Legacy

Yumi’s Cells is based on the eponymous webtoon by Lee Dong-gun. The television adaptation first premiered on tvN on September 17, 2021, and was simultaneously released on TVING, and iQIYI. The first season was directed by Lee Sang-yeob and featured Kim Go-eun, Ahn Bo-hyun, and Park Jin-young.

The second season premiered exclusively on TVING on June 10, 2022, before later airing on tvN starting November 16, 2022. The production is noted for its innovative use of 3D animated brain cells to represent the protagonist’s emotions and decision-making processes.

The global reach of the franchise was established early, with TVING announcing on September 8, 2021, that the drama had sold broadcast rights to more than 160 countries, including markets in North America, Europe, and Southeast Asia.

With the premiere of Season 3, the series continues its exploration of psychological drama and romance, focusing on the evolution of Yumi’s character and her new interactions with Kim Jae-won’s character.