Other mistake: When Snoopy starts sneaking through the pumpkin patch, Sally is standing with her arms crossed and Sally's hand is painted blue while talking to Linus. (00:20:35)
Other mistake: When Ponies are flying back home from North Pole, you can see Cotton Candy among them. as a pegasus.
Other mistake: When Wallace sees the meat mincer, he says 'Now that's clever', but on the English DVD, the subtitles say 'Now the fat's cooked'.
Other mistake: In the opening titles, Irven Spence's first name is incorrectly credited as Irvin.
Other mistake: In the opening credits, Manuel Perez's first name is misspelled as "Manual."
Other mistake: When Lulu is looking at herself in a three sided mirror as a monkey, the reflections do not match up with her position of her hands. Most noticeably with the reflection on the right side. (00:05:40)
Other mistake: At the end of the movie, when Wallace says: "Well done, we did it!" one of the train wheels moves.
Other mistake: Just one second after Bugs puts a letter (presumably an order for a pair of earmuffs) into a mailbox, a courier arrives with a package containing the earmuffs.
Other mistake: In the opening shot, while Horace and Clarabelle are skating in the foreground, you can also see them skating in the background.
Other mistake: When Sam tries to bring Bugs down from the crows' nest/elevator, he pushes the "Up" button and brings it down.
Other mistake: In the opening credits, Lloyd Vaughan's surname is misspelt as "Vaughn."
Other mistake: During one scene where Bugs Bunny is barbecuing his carrot on a skewer near the fireplace, the carrot incorrectly appears behind the flames of the fire.
Other mistake: Scrooge drops several gold coins into Mole's hat and places the hat on Mole's head. When Mole removes the hat, there are at least 40 coins but Rat exclaims, "Twenty gold sovereigns!" (00:00:22)
Other mistake: When Daffy is helping the guest to his room, he looks at his keys as to which one would open it. When he finds the right key, he somehow manages to open the door without unlocking it.
Other mistake: When the Big Bad Wolf is demonstrating to Bugs how to ring the bell properly (so the trap works), his hand lands on the side of the bell instead of the top, yet the trap still works and the bell still dings.
Other mistake: When the captive begins her escape, she kicks the bed through the orange portal offscreen, but the portal only starts about a foot off the ground, so the bed would have hit the wall, rather than have gone through the portal.
Other mistake: When Wrangler is first seen, he is shown autographing tickets by driving over them. There is a tyre mark shown on the tickets when he first does it, but a few minutes later, when he autographs Cruise's tickets, there's no tyre mark on the tickets, even though he used the same method. Also, when Lugnut shows the tickets to the police car at the end, the tyre marks have now appeared. (00:08:05 - 00:11:15)
Other mistake: When Daffy uses the elevator-like device to bring the second floor down to the first floor, there is a useless outside door on the second floor.
Other mistake: Philip De Guard is the cartoon's layout artist, yet when we see his name in the opening credits, it is spelled "Phillip" instead of the usual "Philip."
Other mistake: When Sylvester is looking in the mirror whilst trying on hats, one of the hats has a price tag on it which reads $105.95. However, you can see the price numbering is the right way round - it should be back to front.