Character mistake: On the day Rebecca arrives home, Junior Douglas says that he was "Valedictorian, Class of '95." Earlier, Drago talked of almost killing Running Buffalo "during that trouble back in the '40's," which would have been about 50 years earlier. That would mean Drago and McLintock were fighting Indians when they were babies, or possibly before they were born!
Continuity mistake: In the wide-angle shots of the blue Willys (Jeep) wagon, the windshield is a 2-piece version with a vertical divider in the middle. The close-up shots don't have the divider.
Audio problem: When Sarge is giving instructions to Allbright over the taxi radio Allbright replies "I don't know what the union's going to say about all this" to which Sarge replies "**** the union". His mouth doesn't open while the noise sounds to cover up his swear word.
Continuity mistake: In the scene where the two men are carrying the coffin with the cross on it down to the crypt, the coffin is being held with the cross pointing towards the last man. But in the next shot the cross is pointing towards the first man, as the coffin has been turned around. Then in the next shot the coffin is in its original position, with the cross pointing towards the last man. There is not enough time for the coffin to rotate this many times between the two men carrying it.
Factual error: After Albert feeds the pill to the turtle, you see a close up of its eyes, which are blue. Turtles only have either brown or red eyes, not blue.
Factual error: Luki shows up late at night to retrieve his baseball cap from the house where Amelia is staying. He explains that the hat is very important to him because it was signed and given to him personally by Stan Musial. Stan Musial played his whole career for the Cardinals, but the cap is a Boston Red Sox cap.
Continuity mistake: When Bugs and Daffy leave the Emergency Hospital, Bugs has a bandage around his head and on his face, but when he emerges from the lift at the TV studios, the bandages have disappeared.
Factual error: Anthropology Professor Robert Orwell Sutwell explains that his black kimono was a gift from "the Tokyo Fire Department." The seven characters embroidered on the kimono are Chinese, not Japanese.