13 Reasons Why (stylized onscreen as TH1RTEEN R3ASONS WHY) is an American teen drama web television series developed for Netflix by Brian Yorkey, based on the 2007 novel Thirteen Reasons Why by Jay Asher. The series revolves around seventeen-year-old high school student, Clay Jensen, and his deceased friend Hannah Baker, who kills herself after having to face a culture of gossip, bullying and sexual assault at her high school and a lack of support from her friends and her school. A box of cassette tapes recorded by Hannah in the weeks preceding her suicide detail thirteen reasons why she chose to end her life. The series is produced by July Moon Productions, Kicked to the Curb Productions, Anonymous Content and Paramount Television, with Yorkey and Diana Son serving as showrunners.
Dylan Minnette stars as Clay Jensen, while Katherine Langford plays Hannah Baker. Christian Navarro, Alisha Boe, Brandon Flynn, Justin Prentice, Miles Heizer, Ross Butler, Devin Druid, Amy Hargreaves, Derek Luke, Kate Walsh, and Brian d'Arcy James also star. A film from Universal Pictures based on Thirteen Reasons Why began development in February 2011, with Selena Gomez set to star as Hannah, before being shelved in favor of a television series and Netflix ordering the first season in October 2015, with Gomez instead serving as an executive producer.
The first season was released on Netflix on March 31, 2017. It received positive reviews from critics and audiences, who praised its subject matter and acting, particularly the performances of Minnette and Langford. For her performance, Langford received a Golden Globe Award nomination for Best Actress – Television Series Drama. However, its graphic depiction of issues such as suicide and rape, along with other mature content prompted concerns from mental health professionals. In response, Netflix added a warning card and from March 2018 on, a video that plays at the start of each season warning viewers about its themes. In July 2019, Netflix edited out the suicide scene in the first season's final episode.
In May 2017, Netflix renewed 13 Reasons Why for a second season; filming began the next month and concluded that December. The second season was released on May 18, 2018, and received negative reviews from critics and mixed reviews from audiences. Coinciding with the release of the second season, Netflix released a video with the cast that cautioned viewers on some of the topics covered in the show and provided a support website with crisis numbers for people affected by depression, anxiety and other mental health issues. A third season was ordered in June 2018 and was released on August 23, 2019 and received overwhelmingly negative reviews. In August 2019, the series had been renewed for a fourth and final season. Critical and audience reaction to the series has been divided, with the program generating controversy between audiences and industry reviewers. .