Dirk Gently's Holistic Detective Agency is a BBC America comic science fiction detective television series created and primarily written by Max Landis. The two seasons are inspired by the novel series of the same name by Douglas Adams. The series is co-produced and distributed by BBC America and Netflix, along with AMC Studios, Ideate Media and IDW Entertainment. Filming primarily took place in Vancouver, British Columbia.

The series features an ensemble cast, including Samuel Barnett as the "holistic detective" Dirk Gently, and Elijah Wood as his reluctant sidekick Todd. Other main cast members include Hannah Marks as Todd's sister Amanda, Jade Eshete as security officer Farah Black, Fiona Dourif as "holistic assassin" Bart, and Mpho Koaho as computer technician Ken. The first season is set in Seattle, Washington and the second season is set in the fictional town of Bergsberg, Montana.

The eight-episode first season premiered on BBC America on October 22, 2016, to positive reviews, before concluding on December 10, 2016. All episodes were made available on Netflix (outside of the United States) on December 11, 2016. On November 21, 2016, BBC America renewed the series for a 10-episode second season which premiered on October 14, 2017. Following the broadcast of the second-season finale, the show was cancelled.