Doctor Who is a British science fiction television series broadcast by the BBC since 1963. The series is listed in Guinness World Records as the longest-running science-fiction television series in the world. It has also spawned numerous spin-offs, including comic books, films, novels, audio dramas, and the television series Torchwood.
See also: The Doctor (Doctor Who), List of Doctor Who episodes (2005–present), Companion (Doctor Who), List of Doctor Who episodes (1963–1989), Blink (Doctor Who), and Doctor Who (2023 specials).