<P> Voyage to the Bottom of the Sea is a 1960s American science fiction television series based on the 1961 film of the same name . Both were created by Irwin Allen, which enabled the movie's sets, costumes, props, special effects models, and sometimes footage, to be used in the production of the television series . Voyage to the Bottom of the Sea was the first of Irwin Allen's four science fiction television series, as well as the longest - running . The show's main theme was underwater adventure . </P> <P> Voyage was broadcast on ABC from September 14, 1964, to March 31, 1968, and was the decade's longest - running American science fiction television series with continuing characters . The 110 episodes produced included 32 shot in black - and - white (1964--1965), and 78 filmed in color (1965--1968). The first two seasons took place in the then future of the 1970s . The final two seasons took place in the 1980s . The show starred Richard Basehart and David Hedison . </P> <P> The pilot episode "Eleven Days to Zero" was filmed in color but shown in black - and - white . It introduces the audience to the futuristic nuclear submarine S.S.R.N. Seaview and the lead members of her crew, including the designer and builder of the submarine Admiral Harriman Nelson (Richard Basehart), and Commander Lee Crane (David Hedison), who becomes the Seaview's captain after the murder of her original commanding officer . The submarine is based at the Nelson Institute of Marine Research (NIMR) in Santa Barbara, California, and is often moored some 500 feet below NIMR in a secret underground submarine pen carved out of solid rock . The Seaview is officially for undersea marine research and visits many exotic locations in the Seven Seas, but its secret mission is to defend the planet from all world and extraterrestrial threats in the then - future of the 1970s . </P> <P> The first season of 32 episodes began with Admiral Nelson and the crew of the Seaview fighting against a foreign government to prevent a world - threatening earthquake, and continuing with a foreign government destroying American submarines with new technologies in The Fear Makers and The Enemies . The season also had several ocean peril stories in which the Seaview crew spent the episode dealing with the normal perils of the sea . Two examples are "Submarine Sunk Here" and "The Ghost of Moby Dick". The season introduced the diving bell and a mini-submarine, as well as the first alien story (Don Brinkley's;' The Sky is Falling') and the first sea monsters . The season ended with the Seaview crew fighting a foreign government to save a defense weapon . </P>

Name of submarine in voyage to the bottom of the sea