Revealing mistake: After Tony stabs Wogan with the sword, there is no blood on the blade when Tony pulls it out.
Revealing mistake: As Merlin circles the frozen Doug and Tony in the Time Tunnel, Tony blinks.
Time Tunnel (1966)
2 revealing mistakes in Merlin the Magician
Starring: James Darren, John Zaremba, Robert Colbert, Whit Bissell
Rendezvous with Yesterday - S1-E1
Character mistake: When Tony talks to captain of Titanic he states he was born in 1938, but in episode 4 "The Day the Sky Fell In" it is December 1941, he should be 3 years old, but as a young child he is about 12 years old.
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.