Do you think you know everything about the beloved British science fiction show Doctor Who? The show was produced by the BBC and followed the adventures of a Time Lord called “the Doctor,” an alien from the planet Gallifrey who travels through time and space in the TARDIS. Doctor Who has been on screen since 1963 and has a big fan base throughout the world. Challenge yourself or play with friends! Prove you are a true fan with this 20-question Doctor Who quiz!