The Revenge of Robin Hood - S1-E16
Trivia: This episode includes scenes and footage from 1938's "The Adventures of Robin Hood" that starred Errol Flynn.
Visitors From Beyond the Stars - S1-E18
Trivia: The Time Tunnel Homing Beacon used in "The Revenge of Robin Hood" episode is hanging on the bulkhead by the door of the aliens' spaceship.
Trivia: The same prop used as the Time Tunnel homing beacon in "The Revenge of Robin Hood" and part of an alien ship in "Visitors From Beyond the Stars" makes an appearance in this episode.
Trivia: The dome used in this episode for possible time travel was also used as a possible time travel vehicle in the episode "Secret Weapon."
