Audio problem: When Satan and Saddam leave the room, after the 'I can change' song, Saddam says "I love you" yet his mouth never moves. (00:54:00)
Audio problem: At the end of the film, When all the people from South Park are singing: "Mountain Town Reprise", If you look closely while the camera pans away from them... For a split-frame, Stan's mouth disappears then reappears.
Audio problem: When the Canadian ambassador is talking in the report, he says "We Canadians are quite surprised by your outrage." However, his head isn't moving for the last part as it should. (00:13:30)
Chosen answer: They don't believe him, so they're making a sappy joke about him "still being here all around us."
Captain Defenestrator