Continuity mistake: In the scene in Hell when Kenny opens the door to Satan's bedroom he pulls the door outward, but when it goes to a frontal view of Kenny the door is open inwards. (00:38:05)
Continuity mistake: The little sun awning over the roof of Tom's Rhinoplasty is grey in some scenes, and brown in others. The actual colour of the building itself changes slightly during the course of the film.
Continuity mistake: During the briefing of the American soldiers before the war with the Canadians, watch the background whenever we cut back to the big-general. The soldiers change positions on a fairly regular basis.
Continuity mistake: Sheila Broflovski shoots Philip in the middle of the "P", but when the blood starts flowing on the ground, the bullet hole is on the letter itself. (01:11:10)
Continuity mistake: In the scene where Mr Mackey is conducting the class on not swearing, we never see Kenny in the scene. Then all of the sudden we see him in the musical number. Where was he before? (00:14:50 - 00:16:10)
Continuity mistake: The whole time we see The Mole, he has nothing on his arms. His watch only appears when he wants to synchronise watches with the boys. (00:53:25 - 00:59:00)
Continuity mistake: In the scene where Mr Mackey is teaching the kids not to swear, as he starts his song "It's Easy Mmm-kay", the rose on the piano is on the left hand side. By the end of the song it's on the right. (00:14:48)
Continuity mistake: When Cartman is in his bedroom, there's something besides his backpack that looks like books but when his mother is gone, it's now a mirror and a rope. (00:41:20)
Continuity mistake: The first time the South Park boys see the Terrance and Philip movie, their order in their movie theater seats is (from left) Kyle, Stan, Eric, and Kenny. After a couple leave, saying "Well, what do you expect, they're Canadian", a shot from behind shows that Stan and Eric have switched places. In other shots they're in the original positions. (00:05:00 - 00:06:55)
Continuity mistake: Stan asks his mum for some money to see a movie and his mum puts a pencil down on the table. Yet when she gives Stan the money, the pencil is much shorter. (00:01:20)
Continuity mistake: When Kenny and Stan pass in front of the church, the doors are closed but they're opened the shot later, when Kenny sings. They're closed again after that. (00:02:25)
Continuity mistake: In the cartoon series, Stan's house has a cellar at the side, but throughout the film, no cellar is visible.
Continuity mistake: Operation "Human Shield" is supposed to "guard the tanks and planes too", and some of the black soldiers are tied to them. But once Chef jumps out of the way and says "Operation Human Shield my ass.." The others have miraculously been untied. (01:08:25)
Continuity mistake: When Satan says "I guess I'm destined to live in hell, alone", there is nothing on the rock in front of him. A few seconds later, Mr. Hat appears. (01:14:15)
Continuity mistake: When Saddam enters the room with a suitcase, Satan is sitting on a sofa and Saddam comes and sits next to him. Between shots, Satan's legs go from being bent outwards to being bent inwards. (00:40:30)
Continuity mistake: When Satan and Saddam are talking, Satan climbs into bed with Saddam and Saddam says "I love you." Between two shots the bedcovers jump up and cover more of Satan's body. (00:37:30)
Continuity mistake: Mr. Hat is taken to Hell by Satan, yet just a few moments later, he appears back on Mr. Garrisons hand. (01:14:20 - 01:16:20)
Continuity mistake: When Terrance and Phillip are about to get killed, They go to the left position. When Kyle says: "I'm not moving!", They both change to the right position. (01:10:05 - 01:10:28)
Continuity mistake: When Mr. Garrison makes the sexist remark, and Greg comments on this, he is sitting next to Wendy. However he then disappears. (00:26:10)
Continuity mistake: When Mr. Mackey is making the announcement that T+P shirts are banned, we see Wendy and Greg sat a table, with Token sat above Wendy. However when the kids run out, Token has disappeared. (00:12:05)
Answer: Kyle placed Ike in the attic to protect him because Ike is Canadian, and if he was found, he would be placed in a concentration camp.