Continuity mistake: When Seth Rogan and Adam Sandler are driving back to L.A. the vehicle stick shift is in park. When they arrive in L.A. Adam Sandler shifts it back into park.
Continuity mistake: People are often shown listening to the radio at completely different times of day to the times shown on the boat.
Character mistake: Candy's full name is Candace Washington, which is referred to in the movie, yet when she is released early from prison, the correction officer calls her Candace Collins.
Continuity mistake: In the scene after Black and Cera become guards for the city of Sodom, they are told to line up in formation. Cera's character claims to not have a sword but when they are walking outside to line up you can see he has a sword in his scabbard.
Continuity mistake: When Rebecca is trying to get her papers out of her bag, Luke holds his hand out for her to hand them to him. The shot changes as Rebecca turns around, and suddenly Luke isn't holding out his hand anymore.
Continuity mistake: In the scene where Babe Ruthless is the jammer in the last seconds of her first derby she scores 4 points, as the announcer is telling the spectators, the shot goes to Babe skating around the track with arms in air, and the jammer star helmet cover she was wearing is missing. In the next shot she skates up to her coach and the helmet cover has reappeared.
Other mistake: When Abby and Mike are making out in the elevator, the elevator door opens up to what seems like a board and then the shot goes back to them and back to the open elevator door with scenery outside the elevator.
Factual error: In the movie they search for two matching rings, which contain geographical location of the treasure. The rings were casted in 1589, and uses Greenwich as Prime Meridian. This wasn't established however until nearly 300 years later in 1851.
Continuity mistake: In the scene where the couples first attend Couples Skill Building, they are asked to line up on the beach. While walking off the deck and onto the beach, Cynthia removes her shoes (high heeled wedges), however the next shot when they are on the beach shows Cynthia wearing her shoes again. (00:34:00)
Other mistake: In a scene toward the end of the film, there is a shot showing a calendar with the month March 1998. It shows Friday as being the 13th (reference to Philip Morris' birthday), but Saturday appears as the 15th. Did the actual month of March, 1998 not contain the 14th?
Continuity mistake: At the beginning, when Lucy is a guest at Blanche's house for the meatloaf dinner, notice what everyone is wearing, the table, etc. At the end of the movie there is another meatloaf dinner scene at Blanche's house and every single thing is identical to the first meatloaf dinner scene. Everyone is wearing the exact same clothing, eating the exact same food, drinking the exact same beer and wine, etc, and the only difference is Lucy being out of the picture with an empty place setting at the table. (00:10:00 - 01:50:00)
Continuity mistake: In the scene where Avery and Kayla confront Lina at her locker, as the shots change, so does Lina's position. She goes from leaning against the locker, to standing close it. Her arms are also crossed/uncrossed as the shots change.
Continuity mistake: During the volleyball game scene, after Sara has been put into the game, when the shot goes to the sideline she is still there too. (01:03:50)
Continuity mistake: When Vicki is talking to Dan in the diner, the drink on the table is light in some shots, then it is darker, then light and vice versa.
Deliberate mistake: When Bender wins the poker tournament with five kings, Leo Wong holds up five fingers (on one hand). But all the characters in Futurama only have four fingers on each hand. (Confirmed on DVD commentary).
Continuity mistake: After the bandslam competition and the members are backstage celebrating, the girl piano player in the red shirt can be seen with her hand raised and then lowering it. In the next scene, the same girl is raising her hand into the raised position it was in during the previous shot.
Continuity mistake: While Nia Vardalos is talking to Richard Dreyfus, just after offering him the ice cream cone, the stains on her jacket's left lapel are either there, almost totally disappear, or change shape.
Revealing mistake: During the scene where the four Ninjas dressed in black have a pillow fight with the 'Girl' Ninja dressed in white, you can see that it's not the little girl fighting them, but a tall 'Oriental Man' stunt double instead.
Continuity mistake: Tom receives an e-mail from Summer on day (303). At the beginning of the movie we are told that Tom and Summer met on January 8, so day 303 should be November the 6th, but the e-mail says that it was sent on May 7th, which is day 120.
Continuity mistake: In the beginning during the cheerleader show the cheerleader to the right of Jennifer have her left leg stretched right, covering her right knee which is also somewhat turned right, in the next shoot, supposed to be just a change of the point of view, the same cheerleader have her left leg now straight to the left.