Doctor Who is a British science fiction television series that has been on the air since 1963. It follows the adventures of a mysterious time-traveling alien known as the Doctor, who travels through time and space in a ship called the TARDIS. Along the way, the Doctor encounters a variety of aliens, monsters, and other beings, and often works to save the universe from destruction.
The show has inspired numerous novels, comic books, and other forms of literature that expand on the Doctor Who universe and explore new stories and characters. These works often feature the Doctor and other recurring characters from the show, as well as new protagonists and villains. They can be considered part of the wider Doctor Who franchise and offer fans new ways to experience and engage with the show's mythology.