"13 Reasons Why" is an American teen drama television series based on the 2007 novel by Jay Asher. The story follows Liberty High School student Clay Jensen and the aftermath of the suicide of his classmate Hannah Baker. Before her death, Hannah records thirteen reasons on cassette tapes explaining why she chose to end her life and the people she holds responsible. The series explores a wide range of social issues affecting modern youth, including suicide, bullying, sexual assault, and mental health struggles. It originally premiered on Netflix in 2017 and ran for four seasons, sparking both praise for its emotional depth and criticism for its graphic content and portrayal of sensitive topics. The series was notable for raising awareness but also generated controversy regarding its impact on vulnerable audiences.