Downtime is a direct-to-video spin-off of the long-running British science fiction television series Doctor Who. It was produced by the independent production company Reeltime Pictures. It is a sequel to the Second Doctor serials The Abominable Snowmen (1967) and The Web of Fear (1968).

The Web of Fear is the partly missing fifth serial of the fifth season of the British science fiction television series Doctor Who, first broadcast in six weekly parts from 3 February to 9 March 1968.