Casual Person

Continuity mistake: When Green Day start playing the violin when the barge is sinking, their feet are below the water. In the following shot, their feet are suddenly above the water. (00:03:45)

Casual Person

Continuity mistake: At the end when everyone is cheering at Homer and Homer notices Marge, Lenny and Carl are in three places at once. First, just as Homer starts his bike to get Marge, Lenny and Carl are right behind him. Second, just after Homer carries Marge on to the motorbike Lenny and Carl are behind Homer without enough time to move. Third, just as Homer and Marge drive off in the motorbike, Lenny and Carl are now in front of Homer without enough time to move. (01:13:20)

Casual Person

Continuity mistake: When Homer returns to Springfield, there is full security around the Dome. However, when the bomb explodes there is no sign of any security whatsoever. (01:00:00 - 01:10:25)

Casual Person

Continuity mistake: When Grandpa is freaking out in the church, at the point where he says "Trapped forever", Kirk (Milhouse's dad) is sitting normally. In the next shot, his arm is now holding onto the top of the seat. (00:05:40)

Casual Person

Continuity mistake: When everyone is saying "Lord hear our prayer" at the church, Kirk van Houten is wearing a blue suit, but later when Grandpa is freaking out, Kirk is wearing a red suit. (00:04:05 - 00:05:40)

Casual Person

Continuity mistake: When Homer dumps the silo in the lake, there are the words "Pig Crap" on the front and there is no writing on the back. However, when Lou and Eddie find the silo later in the movie, the "Pig Crap" words are there, but the words saying "Return To Homer Simpson, No Reward" has appeared out of nowhere. (00:23:00 - 00:30:50)

Casual Person

Continuity mistake: When the dome is being placed over the town, the church and Moe's Bar are shown right next to each other, but later on in the film, when Barney runs out of the Alcoholics Anonymous meeting at the church, Moe's Bar is nowhere to be seen. (00:26:30 - 00:48:30)

Casual Person

Continuity mistake: When the dome is placed over Springfield, you can see Lenny and Carl in the middle of Springfield. When the dome goes over Moe's and the Church, Lenny and Carl are also at Moe's. (00:25:55)

Casual Person