Three actors in this episode appeared on Star Trek (1966); William Shatner (Captain Kirk), Glenn Corbett (who appeared as Zefram Cochrane in Metamorphosis (1967)), and Susan Oliver (the iconic 'green girl' of the original pilot, The Cage (1966), later reworked into The Menagerie: Part I (1966)).
This episode features both William Shatner and Harrison Ford, making it one of the earliest intersects of the "Star Trek" and "Star Wars" universes.
Pete Ritter drives a Chevrolet K5 Blazer with the convertible top removed.
Four actors in this episode appeared on Star Trek (1966); William Shatner (Captain Kirk), Glenn Corbett (Zefram Cochrane in Metamorphosis (1967)), Susan Oliver (Vina of the original pilot, The Cage (1966) ), and Susan Howard (Kang's wife Mara in Day of the Dove).
Features Harrison Ford and Morgan Paul who would both play Blade Runners in the same film in 1982.