Continuity mistake: When Stan goes to Kenny's house, there is a fridge next to it on the left hand side. By the time he knocks on the door the fridge has disappeared. The fridge then reappears when Stan and Kenny leave the house. (00:01:45)
Continuity mistake: During the "La Resistance" song, Gregory is singing with the other kids in on group and Cartman, Stan and Kyle are singing in another group. However, as it shows the kids, Satan, the mothers against Canada and the fathers, Cartman, Stan and Kyle and the other kids are all together. They couldn't have been in the group with the other kids the whole time because another kid has appeared next to them. (00:50:50)
Continuity mistake: At the beginning of the lunch scene, the four are standing in a line. In the next shot, a kid appears in front of Kyle out of nowhere. (00:11:40)
Continuity mistake: When Saddam says build a statue where Cartman is, Cartman, Stan and Kyle are standing next to each other. Cartman then calls Saddam a butt-f*cker and the V chip makes Cartman electrocute one of Satan's bats. After Cartman realizes he can electrocute Saddam, Kyle says "Yeah, do it Cartman". But Kyle is now a foot away from Cartman. (01:12:10)
Continuity mistake: Throughout the movie, Cartman's electric shock due to the V chip changes from Cartman being shocked in the middle of a swear to Cartman being shocked at the end of a swear.
Continuity mistake: When Cartman, Stan, Kyle, Kenny and Ike are walking to Bijou, the four are walking together in a horizontal line with Ike behind them. But in the next shot it is a vertical line. Then goes back to a horizontal line. (00:03:45)
Continuity mistake: When the boys are in the lunch line and Stan is singing about Wendy, you can see that the "Terrance and Phillip" T-shirts that Stan and Kyle are wearing are mirror images of how they should appear, with the "T&P" written backwards. Also, Kyle's shirt design changes between shots.
Continuity mistake: When Terrence & Phillip are in the electric chairs, there are red curtains behind them. In between shots, it changes to an American flag, and then back to red curtains again. (00:57:30)
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.