The Magnificent Six and 1/2 to its predecessor, following the adventures of seven children (with very similar personalities to the "Six and 1/2" group) who used a double decker bus as their clubhouse. However, unlike "Six and 1/2", the television series was produced on a much higher budget, and often contained musical numbers. 20th Century Fox wanted a completely different cast for the television series, rather than the same cast from the "Six and 1/2" series, but nevertheless, both Brinsley Forde and Michael Audreson starred in the series. "The Double Deckers" made its American premiere on 12 September 1970, and its United Kingdom premiere on
Voyage to the Bottom of the Sea (TV series) 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. 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