Revealing: When Liddy's mansion explodes and burns, the switch from real house to cardboard model is very obvious.

Factual error: Liddy's six-shooter fires seven shots - three at West and four more at the bottles on the table after he escapes.

Continuity: West pulls a gun on Artemus and places it just behind his head. In the next shot, though, West is standing two feet away and the gun is nowhere near Artemus' head.

Continuity: Akima dies with his head tilted to the left. In the next shot, he's managed, even though he's "departed," to tilt his head to the right instead.

Continuity: It's night outside the train's windows - until Artemus looks out at the attacking Indians; then it's day, and in next shot, it's night again.

Revealing: Zachariah Skull's bald head has a problem. The latex skull-cap used to cover the actor's hair keeps bubbling and wrinkling as he speaks.

Revealing: Just before she dances away, the life-size ballerina "puppet" fails to hold her fixed stare and blinks.

Revealing: Artemus is sampling beef stroganoff from a pot on the stove. He then carries the kettle by its swinging handle across the room, tilting it just enough to reveal to the camera that it's really empty.

Revealing: Kitten bends apart the cell bars, allowing West and Gordon to escape. But when they brush against it on the way out, one of the "iron" bars gives, flexing like the rubber that it probably is.