Timeslip is a British children's science fiction television series made by ATV for the ITV network, and broadcast in 1970 and 1971. It was first shown on Monday evenings at around 5:15-5:20pm, beginning on 28 September 1970, in all ITV regions, apart from Thames (London) and Southern which broadcast the series the following Friday.

Associated Television was the original name of the British broadcaster ATV, part of the Independent Television (ITV) network. It provided a service to London at weekends from 1955 to 1968, to the Midlands on weekdays from 1956 to 1968, and to the Midlands all week from 1968 to 1982. It was one of the "Big Four" until 1968, and the "Big Five" after 1968, that between them produced the majority of ITV networked programmes. In 1982, ATV was restructured and rebranded as Central Independent Television, under which name it continued to provide the service for the Midlands.