Continuity mistake: Bargain Bin: As the Simpsons are sitting on the couch, whilst Bart is looking up the Simpsons Game, Marge and Lisa are next to each other, but as Marge asks "what does it say we have to do next?", there is no sign of Lisa.
Continuity mistake: Bargain Bin: When Bart is on the computer, he is typing with his right hand and his left arm is by his side. The shot cuts to a shot of the computer and he is suddenly typing with both hands.
Continuity mistake: NeverQuest: When Todd Flanders tells Homer and Marge the door is magic, Ralph and Rod Flanders are standing beside Homer and Marge. Homer then walks over to the door and Ralph is suddenly standing closer to Todd.
Continuity mistake: Medal of Homer: When Abe tells Homer and Bart to take care of the flags, Burns is standing next to Homer and Bart. Bart then asks what war is this and Burns has suddenly vanished.
Continuity mistake: Game Over: When the characters are running through the portal to Springfield, the doors to the portal have circular windows in them. In the next show, just before Moe holds onto the light fixture above the portal door, one of the circular windows in the doors is suddenly cracked.
Continuity mistake: Game Over: During the destruction of the game engine, there is an overview shot at the start of the cutscene, where the doors to the both the Big Super Happy Fun Fun Game level and NeverQuest are open. The shot cuts to an angle from the ground, and the doors to those same games are suddenly closed.
Continuity mistake: Game Over: When the Simpsons and game characters are back at the Simpson household, the computer that they were using in the level "Bargain Bin" earlier on is no longer in front of the couch. The Simpsons had been in the game engine the entire time so they couldn't have moved it.
Continuity mistake: Game Over: Back at the Simpson household, Homer asks what's for dinner, and a video game character resembling Mario hops onto the opposite side of the couch hoping it's spaghetti. After Bart points out that they're still under attack, the video game character has vanished from the couch.
Continuity mistake: Game Over: When the Simpsons meet God, Lisa asks "You've been playing with our lives and we'd like you to stop." Bart and Lisa are standing mostly beside each other, but in the next shot, Bart is suddenly standing in front of Lisa.
Continuity mistake: The Land of Chocolate: When the sky rains chocolate balls into Homer's hand, watch the background. In the far background, there is a large dollop of chocolate ice-cream, but when the shot cuts, there are now two and they are much smaller.
Continuity mistake: The Land of Chocolate: When Homer stops by the arrow to Fudgetown, the arrow is a few feet behind him. Next shot, the arrow is further away.
Continuity mistake: The Land of Chocolate: When Homer wakes up from his dream, there is one wrapper on his chest and as he goes to stand up, there are no wrappers visible on his abdomen. In the next shot, a wrapper has suddenly appeared.
Continuity mistake: Bartman Begins: After Bart has transformed into Bartman, he is wearing gloves, but as he explains his superpowers to Homer, the gloves have vanished.
Continuity mistake: Bartman Begins: Whilst Bart is reading the Simpsons a Game manual, when the camera is facing the main road, there is a blue apartment building visible in the far background. When Homer appears in the scene seconds later, the same background is visible, but the apartment building is no longer there.
Continuity mistake: Bartman Begins: When Homer shows Bart the BB gun and swimsuit magazines, there is a black manhole cover located on the road behind him. When Homer and Bart move the manhole cover a few seconds later, the manhole cover is suddenly grey.
Continuity mistake: Bartman Begins: When Homer sees Bart in his Bartman outfit, in the shot where Homer says "If you think on coming home like that, don't bother", Homer is standing beside a wall of a building. The shot cuts and Homer is suddenly standing in the middle of the road, with no such building in sight.
Plot hole: Bartman Begins: Whilst Homer and Bart are in the museum, they discover that the school bullies Jimbo, Kearney and Dolph are in the middle of robbing the museum. However, in the opening cutscene for this level, they were also seen standing outside the video game store just mere minutes earlier.
Continuity mistake: Around the World in 80 Bites: Before the race is about to start, as Comic Book Guy says "With great hunger comes great responsibility", Homer and Comic Book Guy are standing beside each other. Shot cuts, and the school bus driver, Otto has suddenly appeared in between Homer and Comic Book Guy.
Continuity mistake: The Land of Chocolate: When Homer has chocolate balls dropped onto his hands, check out the arrow pointing to Fudgetown behind him. Behind the sign are three lollipops sticking out of the ground, most likely to be flowers. In the next shot, the lollipops are suddenly in front of the sign. The size of the lollipops also change.
Continuity mistake: Bartman Begins: After Bart has bought the Grand Theft Scratchy game, he begins to walk away from the store. From the exterior shot, he is shown walking past the window. The shot then changes and Bart is suddenly yet to walk by the window.
