The Time Tunnel is an American color science-fiction TV series, written around a theme of time travel adventure and starring James Darren and Robert Colbert. The show was inspired by the 1964 movie The Time Travelers (AIP/Dobil), and was creator-producer Irwin Allen’s third science-fiction television series, released by 20th Century Fox Television and broadcast on ABC. The show ran for one season of 30 episodes. A pilot for a new series was produced in 2002, but did not proceed to a series. A history of the series by Martin Grams Jr., was published in 2012.
The underground facility with the time tunnel.