Seo Kang Joon’s 'Undercover High School' tops charts in 5 Asian countries and dominates buzz rankings for 5 weeks straight

11 months ago

"Undercover High School" and Seo Kang Joon Tops Popularity Charts for 2 Weeks Straight — Here's Why

1 year ago

Seo Kang Joon Said He’d Take the Staff on Vacation if ‘Undercover High School’ Hits 12%—Now It’s Closer Than Ever, Will He Keep His Word?

1 year ago

Seo Kang Joon’s ‘Undercover High School’ Breaks Records with Highest Ratings Yet – Viewers Can’t Get Enough of the Thrilling Mystery

1 year ago

Seo Kang Joon’s First Drama After Military Discharge Becomes a Huge Hit as "Undercover High School" Hits No.1 and Everyone’s Obsessed

1 year ago

Seo Kang Joon’s ‘Undercover High School’ Takes Over—Becomes the Most Talked-About Drama in Just One Week

1 year ago

Seo Kang Joon’s Military Transformation? The Actor Impresses by Beating Na In Woo’s Record in Just 2 Episodes of "Undercover High School"

1 year ago

Seo Kang Joon Returns as a High School Student in "Undercover High School", His First Drama Since Military Service Starts Strong with High Ratings

1 year ago

Seo Kang Joon Says He Feels Bad Charging Fans for His Singing and Dancing—The Unexpected Reason He Quit Fan Meetings

1 year ago