Directed by Hong Jong-chan and adapted from the hit webtoon True Education written by Chae Yong-taek and illustrated by Han Ga-ram, the South Korean action drama series Teach You a Lesson (also known internationally as True Education) premiered globally on Netflix in June 2026. Produced by Studio Dragon and YLab, the twelve-episode television series was mounted on a substantial budget to bring the high-octane webtoon combat and intense academic drama to screen. The series achieved massive international streaming success across Netflix global top ten charts, drawing praise for its fast-paced combat choreography, sharp social commentary on modern educational systems, and charismatic lead performances by Kim Mu-yeol, Jin Ki-joo, and Lee Sung-min. WHERE TO WATCH & STREAMING AVAILABILITY Teach You a Lesson is available for subscription streaming globally exclusively on Netflix, presented in 4K Ultra HD resolution with High Dynamic Range and Dolby Atmos audio support, complete with original Korean audio and multi-language dubbing options. Digital video-on-demand purchase options and physical home media collector sets are managed via regional distribution partners following the exclusive streaming window. INTRIGUING FACTS & TRIVIA The series is a direct live-action adaptation of Naver Webtoon's popular action webtoon True Education, which garnered millions of digital readers worldwide for its uncompromising look at school violence and systemic corruption. Lead actor Kim Mu-yeol, known for his physical roles in action cinema, underwent rigorous martial arts and tactical physical training to perform the vast majority of his character's heavy hand-to-hand combat sequences without stunt doubles. Veteran actor Lee Sung-min joined the project to play the Minister of Education, providing a formidable, commanding presence behind the creation of the fictional Teachers Rights Protection Agency. BACKSTORY & THEMATIC ANALYSIS The narrative takes place in a near-future South Korea where the collapse of teacher authority and an explosion of unpunished school violence, severe bullying, and juvenile delinquency force the government to take extreme measures. In response to public outcry, the Ministry of Education establishes the Teachers Rights Protection Agency, a specialized oversight task force empowered to step directly into troubled high schools and restore order using uncompromising, unconventional methods. The story centers on Na Hwa-jin (Kim Mu-yeol), a ruthless, field supervisor who enters violent school environments posing as an intimidating field inspector. Alongside principled field officer Im Han-rim (Jin Ki-joo), Na Hwa-jin confronts tyrannical student gangs, corrupt school administrators, and wealthy parents who abuse their influence to cover up crimes. By delivering swift physical and legal retaliation to perpetrators, the agency works to protect vulnerable students and restore true justice to the classroom. Thematically, Teach You a Lesson explores juvenile accountability, the limits of institutional authority, systemic bullying, and moral retribution. By contrasting bureaucratic apathy against direct physical intervention, the narrative poses challenging questions about whether extreme enforcement is necessary when conventional educational safeguards fail. BEHIND-THE-SCENES INSIGHTS Director Hong Jong-chan collaborated with top Korean action coordinators to craft grounded, visceral martial arts choreography that utilizes everyday school items as tactical weapons during classroom fights. The production crew utilized stark visual lighting and high-contrast color palettes to accentuate the gritty, oppressive atmosphere of troubled high school corridors. Through its intense action set pieces, satisfying vigilante justice narrative, and thought-provoking social commentary, Teach You a Lesson delivers an electrifying entry in modern Korean action drama television.