Continuity mistake: Game Over: Back in Springfield, Homer sits down on the right-hand side of the couch and places his arm over the armrest. A couple seconds later, when Lisa says "We have to talk to God", the corner of the couch can be seen, but Homer cannot be seen sitting in it.
Continuity mistake: Grand Theft Scratchy: When the opening cutscene starts and Marge and Lisa are looking around the neighborhood, there are two cat prostitutes standing next to a house in the background. They are shown standing next to the front corner of the house in the initial shot, but when the shot cuts, they are standing closer to the front window.
Continuity mistake: Bargain Bin: When Bart is describing the Simpsons Game breakdown on the internet, Homer is holding a can of beer. The can is mostly grey, with a small red label. A couple seconds later, when Homer pushes Bart out of the way, the label is now much bigger, covering almost the entirety of the can.
Continuity mistake: Bargain Bin: When the opening cutscene starts, the garage door has a handle on it. This handle disappears when Homer is doing his "looking busy" routine, then reappears when the family are running around the garden whilst being fired upon.
Continuity mistake: Bargain Bin: Whilst Bart says "This must be the level boss for this part of the game", Maggie can be seen being carried by Marge behind him. Maggie is shown with her hand over Marge's arm, but in the next shot, her hand is suddenly away from Marge's arm.
Continuity mistake: Bargain Bin: In the opening shot of the cutscene, the Simpson driveway is clear, but when the family runs outside in the next shot, a thick oil stain has appeared on the driveway.
Continuity mistake: Bargain Bin: When the mothership flies over the Simpson house, there is a hose tap attached to the front of the house that disappears when the shot cuts.
Continuity mistake: Mob Rules: Apu can be seen in the mob standing behind Snake Jailbird when Quimby announces the Grand Theft Scratchy ban, but when the shot cuts, he is suddenly at the front of the mob and is now standing beside Snake Jailbird.
Continuity mistake: Enter the Cheatrix: When Bart and Lisa arrive in the Game Engine, their arms are extended. When Bart says "Wow", their arms are at their sides.
Continuity mistake: Around the World in 80 Bites: When Moe is congratulating Homer on winning the championship, the two are standing on the edge of a shadowed area. Homer is still next to the shadowed area when Duffman declares him champion, but when the shot cuts, the shadowed area is a few meters ahead of him.
Continuity mistake: Around the World in 80 Bites: When Duffman declares Homer the ultimate eating champion, the Duff cans around his belt all have red labels. When the shot cuts, the labels are now red at the top and bottom and white in the middle.
Continuity mistake: Mob Rules: Just after Quimby announces the Grand Theft Scratchy ban, Groundskeeper Willie and Lenny swap places between shots.
Continuity mistake: Game Over: In Bargain Bin, when the mothership fires on the Simpson house, it destroys the mailbox. When they return in Game Over, in the establishing shot of the house, the mailbox is suddenly back and intact.
Continuity mistake: Big Super Happy Fun Game: When Homer is handed the Sparklemon after he and Lisa defeat Ralph, his left arm is raised when he grabs onto it. In the next shot, his left arm is at his side and the Sparklemon has disappeared. The same mistake is also made when they defeat Sherri and Terri.
Continuity mistake: Five Characters In Search Of An Author: When Matt Groening stands up after being beaten by Homer and Bart, he starts thanking Marge. When he says this, he is standing at an angle perpendicular to Lisa. In the next shot, he and Lisa are standing directly in front of each other.
Continuity mistake: Medal of Homer: When Bart asks Homer if he can get some wine, Homer rejects his offer saying he's an American kid. When he says this, no-one else can be seen standing next to the truck behind them. Abe then suddenly appears in the next shot, saying "God bless America" while standing next to the truck.
Continuity mistake: Medal of Homer: When the Mayor hands Homer the painting, the two are standing right next to each other. A couple seconds later, the Mayor is meters away from Homer.
Continuity mistake: Medal of Homer: When the Mayor of the village shows Homer the painting, he has both hands placed on each side. The hand placed along the left side is near to the middle, whereas the hand placed along the right side is higher up. But in the next shot, both hands are level with each other.
Continuity mistake: Medal of Homer: When Abe tries to shoot at Private Burns on the boat, Burns leaps onto the ground for cover. He lands flat on the ground, but in the next shot, he is suddenly standing.
Continuity mistake: Grand Theft Scratchy: At the start of the opening cutscene, when Marge is commenting on the neighborhood, the shadows on the ground change between shots.