Continuity mistake: When Edmund speaks with the White Witch the first time, as he eats the Turkish Delight candy, the amount and pattern of powdered sugar that remains on his lips differs in the following shots, depending on camera angle. (00:31:10)
Continuity mistake: In their first night at the new house the Beardsley's lose power completely. When the doctor arrives (Tom Bosley) he rings the electric doorbell.
Suggested correction: We have had the power go out at our house before and the doorbell still worked.
Continuity mistake: At the big dinner, Clarisse tries to show the Japanese man some pictures and he shakes his head as he eats his green soup. A minute later, they serve the green soup.
Continuity mistake: When Larry and Nick Daley first enter the British Museum, Nick takes his beanie off twice, in consecutive shots.
Continuity mistake: When the law enforcement officer arrives, there is a tight close up on the handle of his .38 revolver. When one of the aliens scans his body, an image of a .45 1911 appears instead.
Continuity mistake: When Tom the Minion dressed as a maid is hoovering, he answers the front door by opening it towards him as does the minion who looks out of the door after Tom has been taken. In the scene with Gru sat on the steps in the rain, sad that Lucy is off to Australia, Agnes comes out with an umbrella, but now the door opens outwards.
Continuity mistake: The boys go out in their boat to water ski, only to find that Jones has built a huge dock that blocks their way. No matter. The boat does not contain skis nor a tow-rope anyway....
Continuity mistake: When the squirrel gets stuck between the 2 glaciers he gets stuck at the bottom of them, but then it shows him getting fired out of the top of them. (00:02:49)
Suggested correction: Scrat may have got sucked up to the top.
Or squeezed all the way up and spat out. Either way Scrat is a much cartoonier character than the others and more extreme things happen to him.
Continuity mistake: When Juni handcuffs the metal box to his wrist, it switches back forth from his right wrist to his left over and over again. (00:35:05)
Continuity mistake: In the scene where the security guard halts Mr Bean (dressed as a grandma) and the supposed kidnapped child, he is asked for his pass. Mr Bean hands the guard an already opened ID style flip card, but when the guard takes it, he is seen opening it as if it were closed.
Continuity mistake: When the evil king's female assistant is "turned into" Odette, and Prince Derek is dancing with her near the end, he puts the locket on her. The chain goes around her hair, and in the next shot, it's under her hair. They were dancing the whole time, so how could she or Derek have pulled her hair out of the chain?
Continuity mistake: Once the chipmunks are inside the food cupboards, they begin to devour everything inside. Theodore is seen chewing off a corner of a box of Lucky Charms cereal and eating the cereal that pours from the hole. But a few shots later when the same box of cereal can be seen, the hole that Theodore gnawed from the corner of the box is gone and the corner is fully intact. (00:11:00)
Continuity mistake: As paramedics inflate Jordan's assistant Stan Podolak following his lone bucket, the scoreboard shows the Monstars ahead 77-67 with 10 seconds remaining. Yet following his treatment and the surprise entrance of Bill Murray, the score has changed to 77-76 with no time having elapsed.
Continuity mistake: The hull numbers of the Constellation change throughout the film between CVN-74 and CVN-68.
Continuity mistake: Notice Marty's hair in the scene when he's playing "Johnny B. Goode." It's quite larger than when he says, some seconds later, "I guess that you're not ready for it yet." That's because when he says that, it's a recycled shot from the original BTTF, whereas most shots showing he's playing the guitar are newly made for BTTF2. However, Marty's hair is considerably longer in the new shots. (01:27:19)
Continuity mistake: Near the end of the movie, right before the semi-finals, they say that only eight men are left. When they introduce the men, they only call out six names.
Continuity mistake: Look at the dirt when Herbie backs away from the nose of the newer Beetle, between the races out in the desert. Although Herbie drove straight up to the newer Beetle, tire marks can be seen where the crew moved the car back and forth to get him lined up.
Continuity mistake: Sarah wears her ring on her right hand. However as Sarah begins to climb the ladder in the tunnel after she answers, "You're right," when she puts her right hand on the rung above her, the ring is gone, but it's back in the following shots. (00:37:15)
Continuity mistake: When Fairy Godmother is throwing the books behind her, the book "Snow White" lands on the other books. "Snow White" noticeably changes position between two shots. (00:41:15)
Continuity mistake: In the first movie, the wedding took place on January 6th. But in the opening sequence here the framed wedding invitation says October.