Continuity: When the wall is put up around the lake it is built right next to it, but when Homer dumps the silo the wall's much further away from the water.

Continuity: When Homer and Bart are headed for the sign of Springfield, it is intact, but in the close-up, the P has moved so they can stunt on it. Also I think that the sign might be whole even though it was cut in two earlier in the film.

Continuity: After Grandpa goes nuts in the church, they go to the car. You can see that Homer has a seat belt on, but when Marge gets out he does not.

Continuity: During the Green Day concert, Edna Krabapple sits on Skinner and takes up the sweater that says "Not my boyfriend," but when Green Day is done singing "Da Da Da," they are not there anymore.

Continuity: The audience throws cups and things on Green Day - but they don't have them before that.

Audio problem: At the church, the lady plays "American Idiot." When the Simpson family comes in, she is still playing, but we can't hear a tone.

Continuity: In the cinema, when Homer tells everyone how boring this is, behind Bart, Lisa, Maggie and Marge sits Otto, Kirk van Houten and Barny, but in the next scene behind them sits Otto, Jasper, Mr. Burns and Moleman.

Continuity: When Homer complains that Alaska isn't the way he imagined it, his Alaska poster doesn't have the "Alaska: A Fresh Start" text that it did earlier in the motel room. Submitted by Cubs Fan

Continuity: When Bart skateboards to Krusty Burger naked, he passes Agnes Skinner in the middle of town. On the left side of the screen is Mr. Largo, the school music teacher. A few shots later, when Bart approaches KB, Mr. Largo is seen walking down the sidewalk. There is no way he could have caught up and passed Bart in that time span. Not only that, but he and Bart are headed in completely different directions. Submitted by Cubs Fan

Continuity: When Nelson says "I'm using a red arrow so I know who I kill," the word "Springfield" appears on his sweatshirt. It wasn't in the previous shot. Submitted by Cubs Fan

Continuity: When Homer returns from Eski-Moe's to find Marge and the kids gone, he drops a bouquet of flowers on the bed. In the next shot, the flowers have disappeared, as has the pattern on the bed's quilt. Submitted by Cubs Fan

Continuity: When Homer drives to the lake to dump the pig crap silo, there are hundreds of 'No Dumping' signs along the way, but on the way back, all the signs are gone, including the ones Homer missed. Submitted by Duff "King Of Beers" Mckagan

Continuity: When Russ Cargill appears on the big screen to explain the dome to Springfield, Moe is standing next to Homer and Lisa. A few shots later, Moe is standing next to Lenny and Carl, with different people around him. Submitted by Cubs Fan

Continuity: When Lisa is going door-to-door about Lake Springfield one of the houses floats away, in the next few frames there is no empty space where the house was.

Continuity: At one point during Grandpa's outburst in church, Marge is shown standing up. In the next shot, she is suddenly sitting down. Submitted by Cubs Fan

Continuity: When Bart is proving he is sober, Homer is pumping petrol and eating a hotdog. The camera cuts and Homer is eating a hotdog but not pumping petrol like he was a second before. Submitted by Duff "King Of Beers" Mckagan

Continuity: Milhouse is seen when Lisa is looking for Colin and a few frames later he is in the middle of the town with no time to move there. Submitted by Duff "King Of Beers" Mckagan

Continuity: When Marge runs back to the kitchen to retrieve the wedding video, the house is ablaze. In the next shot, when the mob is carrying the car away, there are no flames visible in the house.

Continuity: When the angry mob is outside the Simpsons' home, Lisa sees Colin in the crowd. Carl is next to him, with his torch in his left hand. In the next shot, when Carl sets fire to a bouquet Colin brought for Lisa, Carl's torch is now in his right hand. Submitted by Cubs Fan

Continuity: In the scene where the newscast (Day 37) is being watched on the TV at Moe's, in the first shot of the TV there is a dart in the roof, but in the long shot the dart is no longer in the roof.