Continuity mistake: The T-Bird following Oddjob to the junkyard does not have fender skirts but does when they give up the chase and head back to the farm. (01:16:25 - 01:20:30)
Factual error: When the B-52 is flying low over Russia, the shadow on the ground is a Boeing B-17G, a World War II propeller driven bomber.
Revealing mistake: When Mr Witt rides out of the Zulu camp in a 2 horse cart at the beginning of the movie, just before it exits, you can see it's a stunt double at the reins.
Factual error: During the opening credits, the show's copyright date is shown in Roman numerals as MCLXIV. In Arabic numbers, that's 1164 - it should have been MCMLXIV for 1964.
Factual error: As the special bombs are being towed onto the base, a modern white saloon car is seen driving past on the road.
Continuity mistake: The father tears the children's advert for a nanny up into 8 pieces, but when it comes out of the chimney it's in far more bits.
Continuity mistake: There is a scene in the movie where the Beatles enter a limousine, I believe at the beginning of the movie. In this particular scene the Beatles are all dressed in suits and ties, but when the Beatles are filmed in the limo, John Lennon is wearing a turtle neck sweater beneath a blazer.
Factual error: When the Victorian astronauts are on the moon they are dressed in deep sea diving suits - without gloves.
Continuity mistake: When Dr. Morrissey comes to George and Judy's house on Sunday night after the fishing trip to bring them some fish, he sits down on the couch and removes his glasses. Then, in the next shot, his glasses are back on again. He wouldn't have had time to put his glasses back on. (01:09:45)
Revealing mistake: Near the beginning, Hengist and Horsa are watching a young cave couple dragging each other around. Hengist is pouring Horsa a drink and you can see him pour, raise the jug, then Horsa takes a sip from his cup. All this time it is patently obvious that no liquids are in the vessels.
Continuity mistake: In the opening scene, when 'Joe' is helping himself from the well, the angle to the sun varies from the left side to almost vertically. (00:03:00)
Continuity mistake: Ann Margaret is seen dancing with high heeled shoes at the beginning of a dance routine and during the routine is seen in flat ballet shoes, then near the end she is seen wearing high heeled shoes again.
Revealing mistake: When Marnie is dreaming, watch her window. The curtains move as if there is wind, but the window is closed.