The Time Warrior is the first serial of the 11th season of the British science fiction television series Doctor Who, which was first broadcast in four weekly parts on BBC1 from 15 December 1973 to 5 January 1974. The serial introduced Elisabeth Sladen as new companion Sarah Jane Smith. It also marked the debut of the Sontaran race. The serial also introduces the name of the Doctor's home planet, Gallifrey.
