Continuity mistake: In the hybraxi, Al Gore's blazer is blue and he is wearing a red tie, but in the next shot, it is brown and he has no tie.
Continuity mistake: When the Nibblonians attack the nudists, they fly out the window leaving smashes and one drives into the wall leaving a hole. The hole disappears when Nudar says he's going to do his test drive.
Continuity mistake: When Professor Farnsworth is typing in the bank account numbers, the buttons on the desk change color between shots.
Continuity mistake: When Bender asks Nudar where to put the auto dialer's, the computer on Nudar's desk keeps changing position between shots.
Continuity mistake: When Nudar says to Bender, "Go steal the Doomsday Device chained to the Professor's wrist", Nudar and Bender are around the same height. In the next shot, Bender is several inches smaller than Nudar. (00:27:55)
Continuity mistake: When Bender believes to have killed Fry in 2012, he is wearing glasses. In the next shot when he says "Whoo, I totally killed him", the glasses are on the ground without enough time to put them there. (00:44:00)
Continuity mistake: When Lars deactivates Santa's bomb, the bomb is stood up. However, when Fry says "I could make you happy too", the bomb is suddenly lying on the ground. (00:58:00)
Continuity mistake: When Bender from the end goes back in time to put the code on Fry's butt he goes to put it on frozen Fry's butt. When Fry comes back in time, Bender from the end disappears. (00:37:20)