The Crusade is a serial in the British science fiction television series Doctor Who, which was first broadcast in four weekly parts from March 27 to April 17, 1965. It starred William Hartnell as the First Doctor, Jacqueline Hill as Barbara Wright, William Russell as Ian Chesterton, and Maureen O'Brien as Vicki; and featured guest appearances by Julian Glover and Jean Marsh.
In Palestine, near Jerusalem, during the Third Crusade, The Doctor and his companions become ensnared in the political struggles between Richard the Lionheart and Saladin.