The 13

The 13 is an American science fiction drama television series created by Robert Bastien which aired on from May 4, 2001 to August 26, 2005 for five seasons. The series is set in the fictional city of Seaside,, and its story is divided into three separate plotlines focusing on supernatural phenomena related to the number 13: the invasion of 13 UFOs belonging to an alien race called the Triskaidek, 13 humanoids repeatedly warping reality to create proof of their existence as humans, and a conspiracy to kill 13 police department personnel. Topics such as loss, grief, conspiracy, and existential risk are explored.

The 13's executive producers included Bastien, Kristen Shepard, Joanna Hammond, and Mark Lauzon, along with several others. Following the production of the pilot, filming began in and  in February 2001 and concluded in May 2005. The show was produced by Robert Bastien Productions and The Suburban Company in association with.

The series' first season was met with lukewarm critical reception and average ratings, but subsequent seasons showed improvement. It was praised for its cast, writing, music, cinematography, and visual effects. The 13 amassed a, which grew as the Internet became more commonplace in the 2000s and the show began appearing on streaming services in the 2010s.