Factual error: While firing their muskets at the guards as they rescue the Dauphin, Tony and Doug each quickly discharge their weapons twice without reloading. Muskets are one-shot weapons that required immediate reloading after firing.
Time Tunnel (1966)
1 mistake in Reign of Terror
Starring: James Darren, John Zaremba, Robert Colbert, Whit Bissell
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.