Star Trek: Planet of the Titans, also known as Star Trek: Planet of Titans, is an unproduced film based on Star Trek, which reached the script and design phases of pre-production. Following the success of Star Trek in broadcast syndication during the early 1970s and the popularity of the series at science-fiction conventions, Paramount Studios made several attempts to produce a feature film based upon the series. In 1975, Star Trek: The God Thing was proposed by franchise creator Gene Roddenberry but was not picked up by the studio.