Together with Paramount Stage 14, Stage 12 was used for the San Francisco air tram station, IKS Amar bridge, and the interior of Epsilon IX station in Star Trek: The Motion Picture, sets that were used during the movie's post-production period in 1979 . (The Making of Star Trek: The Motion Picture, pp. 95 & 214) Along with Paramount Stages 14 and 15, Stage 12 was used for some of the Planet Genesis exteriors in 1983 's Star Trek III: The Search for Spock. (text commentary, Star Trek III: The Search for Spock (Special Edition) DVD)