"Work on the series came to an end when the proposed Paramount Television Service folded. However, following the success of the science fiction movies Star Wars and Close Encounters of the Third Kind, the planned pilot episode entitled "In Thy Image"[3] was adapted into a theatrical production, Star Trek: The Motion Picture."--wikipedia
If you want to see a rush job on a "cashing-in" attempt at sci-fi, look no further than "Moonraker."