Continuity mistake: Day of the Dolphin: When Lisa is telling Captain McAllister she's so sorry after he explained what happened, he says "Don't you dare pity me" and takes out his smoking pipe. When he takes it out, he has his index finger and middle finger holding onto the breathing tube. But in the next shot, the breathing tube is on top of his index finger.
Continuity mistake: Bartman Begins: When Bart is in the alley way and starts walking down the path leading to the main street, the building to his right has a window located a few inches to the edge of the wall. Seconds later, when Bart begins reading the manual, the window is much further away from the edge of the wall.
Continuity mistake: Bartman Begins: When Bart kneels down to pick up the Simpsons Game manual, there are heavy shadows cast on the wall beside him. In the next shot, the shadows are a lot thinner and there is more sunlight cast on the wall.
Continuity mistake: Bartman Begins: When the Simpsons Game manual lands in front of Bart, in the wide shot, his right foot is pointed to the right and his left foot is pointed to the left. When it cuts to a shot focusing on the manual, Bart's feet are pointed directly forwards.
Continuity mistake: Mob Rules: When Mayor Quimby tells the mob that is going to ban Grand Theft Scratchy for minors, they all begin cheering. When they do so, the senator can be seen standing next to Marge and Lisa. Marge and Lisa begin talking, and the senator has suddenly disappeared.
Continuity mistake: Mob Rules: When the game producer shows Quimby the bag of money, his right hand changes position between shots.
Revealing mistake: Mob Rules: When Quimby tells the game producer he's ready to receive the bribe, the producer picks up a bag of money to show him and opens it. When he opens the bag, one of his fingers can be seen passing through the bag.
Continuity mistake: Mob Rules: When Quimby and the game producer are celebrating in the hot tub, in the first shot of them, the "MAYOR" sash is positioned so that the R is in the water. In the next shot, the sash is raised above the water.
Revealing mistake: Mob Rules: After Lisa sets the statue on fire, the scene cuts to inside Mayor Quimby's office where he and the game producer are shown sitting in a hot tub with steam coming from it. For the first frame of the shot, the steam coming from the tub doesn't appear to have been animated. The steam literally pops up on screen a few frames after the shot starts.
Continuity mistake: Mob Rules: Whilst Marge is reading the newspaper in the opening cutscene, take note of the queue outside the Sequel Stop store. In the opening shot, they are standing outside the door. Then two shots later, they have disappeared. Then they reappear two shots after that. A couple seconds later, after Martin drives away in Ned's car, they have changed position and are now seen standing on the curb.
Other mistake: Bargain Bin: Homer pushes Bart away from the computer so that he can play solitaire. He presses a button to open the DVD player, but the button is never shown pushing downwards. It remains in a fixed position when he presses it.
Other mistake: Big Super Happy Fun Fun Game: After the level has been completed and the village is made clean again, Milhouse begins to shrink back down from his Mr Dirt form to his human form. In the shot of him beginning to shrink, after his royal gear fades away, his eyebrows are temporarily missing.
Revealing mistake: Big Super Happy Fun Fun Game: When Mr Sparkle is telling Homer and Lisa that he must return to his corporation, in the shot of him saying "Cel soy kills the hunger demon", Lisa can be seen positioned on top of one of the coin slots without falling into it, revealing an animation error where it appears she is hovering above it.
Continuity mistake: Big Super Happy Fun Fun Game: When Lisa asks Mr Sparkle how he would describe the evil CEO's attitude, Lisa's head is level with Homer's wrist. When the shot cuts to focus on Mr Sparkle, her head is almost level with Homer's shoulder.
Revealing mistake: Big Super Happy Fun Fun Game: When Mr Sparkle says "Most disrespectful", part of Lisa's hair can be seen passing over Homer's arm. The edge of her hair has been cut off to make it appear as if it has been obscured by Homer's arm, but since the hair can be seen passing over Homer's arm, then this is an animation mistake.
Continuity mistake: Big Super Happy Fun Fun Game: In the opening cutscene, when Milhouse says "But I'm so huge", his shadow can be seen cast over the ground in front of him. This shadow cannot be seen in any other shot of the cutscene.
Continuity mistake: Invasion of the Yokel Snatchers: When the aliens have the security guard beamed up to their ship, they are shown standing on a lighted area. They continue to stand in the same area without moving, but when Cletus confronts them a few seconds later, they are suddenly standing on a shadowed area.
Continuity mistake: Invasion of the Yokel Snatchers: When Cletus confronts the aliens, the blue building on his right changes appearance between shots.
Continuity mistake: Invasion of the Yokel Snatchers: When the aliens lower a blue beam to take security guard up to the ship, in the shot of the beam being lowered, one alien can be seen standing next to the guard and another standing several meters away. In the next shot, the second alien is standing right next to the security guard.
Continuity mistake: Invasion of the Yokel Snatchers: In the establishing shot of the opening cutscene, to the right of shot, three bush plants can be seen in between the mall and the blue building next to it. A couple of seconds later, there is only one bush plant.