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 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: 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.
Revealing mistake: Medal of Homer: After Homer says "It's the Civil War, duh", it cuts to an angle behind Homer and Bart. For the first frame of the shot, a couple of the lights in the village are not switched on and no smoke can be seen coming out of the chimneys. The lights and chimney smoke just pop-up on screen a couple frames into the shot.
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.
Other mistake: Five Characters In Search Of An Author: When Bart begins inserting the key cards into the slots, we can see that all four of the slots are all different colours (purple, blue, red, pink). The key cards are supposed to be inserted into the slot that matches its colour. But he is shown inserting the blue keycard into the red slot.
Continuity mistake: Game Over: When God promises to make video game less violent, Marge is standing a foot behind Bart. Marge then nudges Bart on the shoulder, and she is standing right next to him.
Continuity mistake: Game Over: When the manual is shown falling down to Springfield, the alley way that Bart is shown walking down appears to be one straight path. When this same alley way appeared earlier in Bartman Begins, Bart was shown turning around a corner that doesn't appear to be present in the overview shot. The corner can be seen when the shot of the manual landing on the ground from Bartman Begins is replayed.
Continuity mistake: Game Over: When God says "Oops" after revealing he accidentally dropped the manual, Homer raises a baseball bat with wings. In this shot, the bat is held at a horizontal angle. But in the next shot, the bat is held at a more upright angle.
Continuity mistake: Game Over: When Homer raises the baseball bat to God and says "Oops ain't gonna cut cut, Mr Glowing Visage Beautiful-Beyond-All-Description", Maggie is sitting in the baby carrier attached to Marge's back, and is directly facing God. In the next shot, Maggie is suddenly facing the opposite direction with her head now turned to the right to face God easier.
Continuity mistake: Game Over: When God is explaining to the Simpsons who they really are, all the Simpsons are standing next to each other, side by side. Then it cuts to a shot of Bart and Lisa, where Bart says "We knew that, Birkenstocks", but they are the only ones in frame. From this angle, at the very least, Marge should have been seen next to them.
Continuity mistake: Game Over: When God is telling the Simpsons about the Planet Earth game, the Simpsons are standing side by side. When the shot cuts to an angle higher up, Bart and Lisa are suddenly in front of Homer and Marge.
Continuity mistake: Game Over: When God says to the Simpsons that the Simpsons Game was a mini-game inside his Earth game, Bart is shown standing slightly ahead of Lisa, and Marge is standing slightly ahead of Homer. When the shot cuts to a closer angle of them, Bart and Lisa are side by side and Marge and Homer are side by side.
Continuity mistake: Game Over: When everyone is escaping the Game Engine, Mr Sparkle can be seen exiting the Big Super Happy Fun Game level. In one shot, he is a couple feet off the ground. But in the next shot, he is several meters in the air.
Continuity mistake: Game Over: When Bart points to the doors to get back to Springfield, we can see that there is a red carpet leading up to the doors. In the next shot, the red carpet is much narrower.
Other mistake: Game Over: Whilst the Game Engine is collapsing, there is a shot of the video game characters escaping their respective games, shown from on the ground, while the Simpsons toward the door back to Springfield. To the right, a character can be seen exiting the Big Super Happy Fun Game level, but the door behind him is closed.
Continuity mistake: Invasion of the Yokel Snatchers: When the security guard confronts the alien taking a whiz in the fountain, that one alien appears to be the only alien in sight. When the shot cuts back to Homer and Bart, two extra aliens have suddenly appeared.
Continuity mistake: Bargain Bin: When the family are in the living room looking at the Video Game FAQs, a drawer can be seen on both sides of the couch. Both of these drawers have a shelf below it, with three books shown each of the small shelves. A couple seconds later, when the Simpsons get transported to the Game Engine, the books have disappeared from the shelf closest to the window.
Continuity mistake: Invasion of the Yokel Snatchers: When the alien starts taking a whiz in the fountain, cracks can be seen on the mall behind it. The cracks appear to start from the ground, going up the building by a few feet. In the next shot, those cracks have disappeared.
Continuity mistake: Big Super Happy Fun Game: When Homer and Lisa first approach the giant toilet and Mr Sparkle appears, Lisa is standing so that her hair is positioned behind Homer's left arm. When the shot cuts, her hair is positioned in front of Homer's arm.
