Mr. Plankton () is a 2024 South Korean romantic comedy television series written by Jo-young, directed by Hong Jong-chan, and starring Woo Do-hwan, Lee Yoo-mi, Oh Jung-se, and Kim Hae-sook. The series tells the story of a man named Hae-jo, a man who was the product of an incorrect artificial insemination, as he forces Jae-mi to accompany him on his last journey in life after learning he is terminally ill. It was released on Netflix on November 8, 2024.
Mr. Plankton is a romantic comedy about a woman, Jae-mi, as she is forced by Hae-jo, a man who was the product of an incorrect artificial insemination, to accompany him on his last journey in life after learning he is terminally ill. Jae-mi also learns she has a medical problem, which is devastating to her.
The series, which consists of ten episodes, was directed by Hong Jong-chan, who previously directed Juvenile Justice (2022) and written by Jo-young, who previously wrote It's Okay to Not Be Okay (2020). It is produced by Base Story and HighZium Studio.
On July 12, 2023, Netflix revealed the casting of Woo Do-hwan, Lee Yoo-mi, Oh Jung-se, and Kim Hae-sook.
Mr. Plankton was released on Netflix on November 8, 2024, with all its ten episodes.
On October 16, 2023, the production company of the series told Newsen about a netizen's claim that the filming crew illegally dumped trash after filming on Jeju Island. The production company stated, "We filmed from the morning to the afternoon on October 15 at Hwasun Golden Sand Beach. Since filming ended after sunset, we had planned to clean up over two days, that day and the next morning. After checking, we found that the production team was even more careful and finished cleaning this morning. We will be even more careful during filming in the future."