Netflix has revealed the first teaser trailer and poster for its upcoming action drama Teach You A Lesson. The streaming giant unveiled the promotional materials on Thursday, generating significant anticipation for the series starring Kim Mu-yeol and Jin Ki-joo. This release provides fans with an exciting glimpse into the show's intense storyline and high-stakes drama. The confirmation of the premiere date further heightens expectations for this fresh take on school-related challenges in contemporary society.
Teach You A Lesson delivers a sharp and cathartic narrative centered on the fictional Educational Rights Protection Bureau, known as the ERPB. This government task force emerges to reinstate teachers' authority amid widespread issues involving disruptive students, overbearing parents, and overwhelmed educational institutions. The series explores themes of justice and protection in a system strained by modern pressures, promising viewers a compelling blend of social commentary and dynamic storytelling.
The newly released teaser trailer opens with Na Hwa-jin presenting himself as an ERPB inspector to skeptical students who challenge his role. It quickly shifts to depict the chaotic state of schools today, highlighting rampant classroom disturbances, escalating violence, and the rise of problematic behaviors such as gambling, substance use, and gang activities among youth.
Amid this turmoil, Na Hwa-jin delivers a resolute assurance, stating that there is no need for concern because the team will safeguard those in need. He then proceeds confidently toward the school alongside colleagues Im Han-rim and Bong Geun-dae, showing their unwavering commitment to the mission. This sequence underscores the bureau's proactive approach in confronting educational crises head-on.
Furthermore, the trailer captivates audiences with its energetic action sequences, featuring intense one-against-many confrontations and thrilling car chases. Na Hwa-jin demonstrates his prowess by swiftly subduing adversaries who resist the bureau's efforts, while the full ERPB team collaborates on various operations to restore order. These elements combine to create a fast-paced preview that emphasizes both physical confrontations and the group's dedication to their cause.
Watch the first teaser trailer for Teach You a Lesson here:
The accompanying poster showcases key members of the ERPB, including Na Hwa-jin portrayed by Kim Mu-yeol, Choi Gang-seok played by Lee Sung-min, Im Han-rim embodied by Jin Ki-joo, and Bong Geun-dae performed by P.O. Positioned together with easygoing smiles in front of a school building adorned with a damaged banner opposing school violence, the image powerfully contrasts the current breakdown of authority with the team's poised confidence and resolve. The prominent tagline "Let us protect you!" hints at the bureau's role in supporting victims and tackling the broader educational turmoil.
The series comes from director Hong Jong-chan, recognized for his work on Juvenile Justice, and features a script by Lee Nam-kyu, who previously contributed to Daily Dose of Sunshine. This creative team brings substantial experience in handling sensitive social issues with depth and nuance, enhancing the project's appeal. Their collaboration suggests Teach You A Lesson will offer more than standard action fare, potentially delivering thoughtful insights into systemic challenges within the education sector while maintaining high entertainment value through its thrilling premise and strong performances.
Teach You A Lesson is scheduled to premiere on Netflix on June 5, 2026.
Sources: Netflix K-Content - YouTube, Netflix Korea
