Teach You a Lesson Series · 2026· 1 Season· Korean· /10 Action & Adventure Drama Comedy An inspector from the Educational Rights Protection Bureau (ERPB) who is authorized by the government to use physical intervention and unconventional methods to discipline delinquent students and reform the educational system.
Created by Chae Yong-taek, Han Ga-ram
Episodes Season 1
1 Episode 1සිං Inspector Na Hwa-jin steps into the chaos and takes control of a school plagued by the spoiled son of a powerful politician — to teach him a lesson. 2 Episode 2සිං With unassuming Bong Geun-dae on his side, Hwa-jin uses his special ops skills to handle a school gang and defend a student who just wants to study. 3 Episode 3සිං When a teen influencer spreads false claims about her teachers, the team's loose-cannon Inspector Im Han-rim steps in to set the record straight. 4 Episode 4සිං Choi Gang-seok weathers a political attack on his bureau. Hwa-jin's team visits an elite school to uncover why a student attacked a respected teacher. 5 Episode 5සිං When an elementary school teacher's spirit wears down under pressure, Hwa-jin steps in to be her substitute — turning the tables to solve the case. 6 Episode 6සිං Four juvenile delinquents think they're above the law — until the team takes an interest in their extracurricular crimes and gives a harsh reality check. 7 Episode 7සිං Geun-dae goes undercover to help a father find his gambling addict son. To undermine the bureau politically, Hwang Gi-tae visits a juvenile inmate. 8 Episode 8සිං After a pre-med student collapses in class, Hwa-jin investigates his obsessive mother, whose access to illicit pills hints at a larger conspiracy. 9 Episode 9සිං To help a student escape his exploitative friends, Han-rim adopts a new persona to join his circle. Cho Gyu-cheol's return puts the bureau in danger. 10 Episode 10සිං After public backlash hits the bureau, Hwa-jin and his team go rogue to expose a deadly conspiracy led by a violent student-run gang. 
Kim Moo-yulNa Hwa-jin
Lee Sung-minChoi Kang-seok
Jin Ki-jooIm Han-rim
P.OBong Geun-dae