Revealing mistake: Tony and Doug escape the torture chamber through a stone door that looks as thin as a piece of wood and freely moves when they use it to exit the chamber.
Revealing mistake: When the torturer throws himself against Tony, the stone wall buckles when he slams against it.
The Revenge of Robin Hood - S1-E16
Revealing mistake: The same crossbowman shown getting hit and falling off the wall twice does not merely drop his crossbow, but throws it away from him.
Visitors From Beyond the Stars - S1-E18
Revealing mistake: The view of the town seen through the saloon doors is a painted backdrop, as some of the actors cast shadows against it.
Revealing mistake: Doug throws a grenade at Nakamura that lands just a few inches from a pile of leaves. The leaves explode rather than the grenade, they're a cover for the pyrotechnics.
Revealing mistake: On the beach, Doug and Tony rest against a heavy boulder that wobbles when they touch it.
The Revenge of Robin Hood - S1-E16
Revealing mistake: James Darren's stunt double is visible during his sword fight scenes.
Revealing mistake: One of the supposedly frozen people in the general store is having a hard time standing still. He keeps swaying from one foot to the other. (00:19:30)
Raiders From Outer Space - S1-E29
Revealing mistake: This episode features borrowed scenes from the historical epic "Khartoum." Unfortunately, the movie footage is in uncorrected Cinemascope, making both the Arab and British armies look bizarrely skinny. (00:14:15)
Revealing mistake: During the final fight scene, Doug is struck by one of the guards and falls back against a rock. The huge boulder wobbles precariously when he hits it. (00:44:50)
Revealing mistake: When Tony and Doug are captured by the Greeks, the lead Greek soldier points his sword to Troy. The "Troy" shown is a modern still picture of the ruins of the Greek Acropolis and surrounding structures, complete with a modern blue and white vehicle that looks like a bus in the lower left hand part of the picture.
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.
Revealing mistake: A modern, mid-20th century concrete bridge/walkway is visible in the background of the Union soldier before he shoots Corporal Perkins.
Revealing mistake: When Doug stops to rest while being chased by the dog, he rests against a thick, heavy tree that wobbles when he leans against it.
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.
Revealing mistake: After the first Native American is shot in the back with the crossbow, the base used to stabilize the arrow in the back of the actor is visible underneath his clothing.
Revealing mistake: When Doug drops the torch on the gunpowder trail, the ignition of the powder is about one foot before the point where the torch is dropped.
Revealing mistake: The heavy stone table the mask is sitting on in the cave during the fight scene wobbles when bumped by the cast members.
