History of Undercover High School in Timeline

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Undercover High School

Undercover High School is a South Korean action comedy spy television series that premiered on MBC TV on February 21, 2025. Written by Im Young-bin and directed by Choi Jung-in, it stars Seo Kang-joon, Jin Ki-joo, and Kim Shin-rok. The show follows an NIS agent who goes undercover as a high school student. It airs every Friday and Saturday at 21:50 (KST) and is available for streaming on TVING, Wavve, Viu, and Kocowa in selected regions.

March 2024: Seo Kang-joon in Talks for Lead Role

In March 2024, Seo Kang-joon was reported to be in talks for the lead role in Undercover High School, marking his potential comeback after military service.

May 2024: Jin Ki-joo and Kim Min-ju Reportedly Cast

In May 2024, reports indicated that Jin Ki-joo and Kim Min-ju were cast alongside Seo Kang-joon, with Jin Ki-joo potentially taking on the female lead role.

June 2024: Seo Kang-joon and Jin Ki-joo Confirmed as Leads

In June 2024, MBC confirmed that Seo Kang-joon and Jin Ki-joo would star as the lead actors in Undercover High School. This marked Seo's MBC drama comeback since Splendid Politics (2015).

July 2024: Kim Shin-rok Confirmed to Appear

In July 2024, Kim Shin-rok was confirmed to appear in Undercover High School, joining the cast.

February 2025: Premiere Date Announced

In February 2025, MBC announced that Undercover High School would be broadcast in a Friday-Saturday timeslot, with the premiere set for February 21 at 21:50 (KST).

February 21, 2025: Undercover High School Premieres

On February 21, 2025, Undercover High School premiered on MBC TV, airing every Friday and Saturday. The series is also available for streaming on TVING, Wavve, Viu, and Kocowa.