Corrected entry: While the Griswolds are playing keno at the end of the movie, there are a few mistakes with the game. When the keno lady is calling out the numbers, she calls out 14 as the 3rd number and 33 as the 5th number. When they show the keno balls up close it says the 3rd number is 48 and 52 as the 5th. Also in one scene it shows 30 already on the board, but a few shots later 30 hasn't come up yet. (01:22:14)
Corrected entry: The first time Russ wins a car it says .25 on the machine. Later Russ explains he put a dollar in he won a car and on and on he keeps saying put a dollar in he won a car.
Corrected entry: Towards the end of the film Rusty's gold medallion and other jewelry disappear when he enters the wedding chapel.
Corrected entry: In the scene when Clark volunteers to participate with Siegfried and Roy, he enters a clear box, the curtains are drawn on it and the box is levitated. When up in the air, Siegfried and Roy magically wave their arms towards it. If you pay close attention, the lights dim for a split second and Seigfried and Roy's positions shift very subtly and the curtains drop revealing a white tiger where Clark was.
Corrected entry: In Clark's first main gambling session he is sitting on the chair with nothing and nobody beside him. A few shots later there is a beer can beside him. A few shots later the beer can is gone. About 4 shots later it's there again.
Corrected entry: When the family leaves for Vegas, it's daylight out (you can see daylight from the windows on the plane). When they're picked up by the limo in Vegas & they're driving down the strip, it's dark. Seeing that they're from Chicago & Vegas is 2 hours behind, it should still be daylight out when they're picked up at the airport.
Corrected entry: Eddie and Clark are on the tour bus when Eddie begins playing tour guide announcing that TI is on the right and Harrah's is on the left. In fact the tour bus is still downtown passing Binion's Horseshoe and is miles away from TI or Harrah's.
Corrected entry: It seems very odd that Rusty neglects to mention the fact that he won 4 cars when Clark mentions that he lost $22,000. One or two of those cars could easily be sold to make up that money. The Dodge Viper that he won could easily be sold for $60,000 even if it's a base model with no modifications.
Corrected entry: After the scene when Clarke announces that they are going to see Siegfried and Roy, Clarke and Ellen are walking away from the Siegfried and Roy theatre with programs in their hand. The only way to get programs is in the theatre, you can't buy them, they come with your ticket. The next scene shows them in the theatre. The scenes are not in the correct order.