Revealing mistake: The lizard crawling through the jungle in 1,000,000 B.C. brushes against and nudges a heavy tree.
Revealing mistake: The heavy boulder Tony uses to brace himself to save Nimon easily wobbles as he moves.
Time Tunnel (1966)
2 revealing mistakes in Chase Through Time - chronological order
Starring: James Darren, John Zaremba, Robert Colbert, Whit Bissell
Factual error: When Ulysses opens his mouth while speaking, modern dental fillings are in his teeth.
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.