Training Day is an American crime-thriller television series that aired on CBS from February 2 to May 20, 2017. The series serves as a follow-up to the 2001 film of the same name. It stars Bill Paxton and Justin Cornwell, and is known for being one of Paxton's final performances prior to his death in February 2017.

Training Day is a 2001 American crime thriller film directed by Antoine Fuqua and written by David Ayer. It stars Denzel Washington as Alonzo Harris and Ethan Hawke as Jake Hoyt, two LAPD narcotics officers over a 24-hour period in the gang-ridden neighborhoods of Westlake, Echo Park, and South Central Los Angeles. It also features Scott Glenn, Eva Mendes, Cliff Curtis, Dr. Dre, Snoop Dogg, and Macy Gray in supporting roles.