The Potato Lab

The Potato Lab is a South Korean television series written by Kim Ho-soo, directed by Kang Il-soo, and starring Lee Sun-bin and Kang Tae-oh. The series is about a woman obsessed with potatoes swept away by a principled man like a tornado potato. It aired on tvN every Saturday and Sunday at 21:20 from March 1 to April 6, 2025. It is also available for streaming on Netflix in selected regions.

Synopsis

A passionate researcher's life takes a turn when a strict director arrives at her potato lab — proving that love can sprout in the most unusual places.
Set in a mountain valley at a potato research center, the story is about a woman named Kim Mi-kyung, a potato-crazy researcher who is starting a fresh life again, and So Baek-ho, who energizes her fighting spirit.

Cast

Main

Lee Sun-bin as Kim Mi-kyung
Kang Tae-oh as So Baek-ho
Supporting
Lee Hak-joo as Park Ki-se
Jung Shin-hye as Yoon Hee-jin
Kim Ga-eun as Lee Ong-ju
Shin Hyun-seung as Kim Hwan-gyeong
Yoo Seung-mok
Kwak Ja-hyung as Go Jeong-hae
Woo Jung-won as Joo Seung-hee
Kim Ji-ah as Jang Seul-gi
Yoon Jeong-seop as Lee Chung-hyun
Nam Hyun-woo as Kwon Hee-dong
Production

Development

The Potato Lab is a romantic comedy series directed by Kang Il-soo and written by Kim Ho-soo. It was planned by CJENM Studios and produced by Chorokbaem Media.

Casting

On March 18, 2024, it was reported that Kang Tae-oh, who was about to be discharged from his military service, was considering to star in the series. The next day, media reported that Lee Sun-bin would play the female lead, and that Kang had confirmed his appearance. On May 14, tvN officially confirmed the two actors' casting.

Release

The Potato Lab premiered on tvN on March 1, 2025, and aired every Saturday and Sunday at 21:20. It was also made available for streaming on Netflix in selected regions.