Mount Rushmore was made.
Warriors of the Deep is the first serial of the 21st season in the British science fiction television series Doctor Who , which was broadcast in four twice-weekly parts from 5 January to 13 January 1984 .. serial. List of Doctor Who serials. 21st season. Doctor Who ( season 21 ). Doctor Who. Doctor Who. This story started the 21st season of the Doctor Who series and it marked the return of the Silurians and the Sea Devils .. 21st season. Doctor Who ( season 21 ). Doctor Who. Doctor Who