Trivia: In the scene at the United Nations, the US Ambassador claims that Terrance and Phillip will be put on trial for "corrupting America's youth" - a charge similar to that levied against Socrates. (00:24:40)
Trivia: When he was accepting an MTV Movie Award, Trey Parker described the song "Uncle F****" as an anthem of freedom.
Trivia: If you look closely at the South Park troops drilling at the army depot, as they march towards "the camera" you can see Jesus in there, wearing camouflage robes and sandles. (00:52:30)
Trivia: When the boys are watching the Conan O'Brien show, Eric's laugh sounds oddly like the tune of "Blame Canada". (00:23:20)
Trivia: Cartman getting zapped by the V-Chip inside his brain every time he swears is a homage to "A Clockwork Orange," in which Alex DeLarge becomes deathly ill when he thinks about sex and violence or listens to the Ninth Symphony as a result of the Ludvigo technique. Note the similarity between the scene in this film where Dr. Vausknocker demonstrates the V-Chip to MAC and the scene in "A Clockwork Orange" where the doctors demonstrate the Ludvigo technique to the scientists and government officials.
Trivia: The oddly-shaped skyscraper in the background toward the end of the "Blame Canada" number is the Wells Fargo building in Denver. (00:22:10)
Trivia: The song "What Would Brian Boitano Do" is a reference to the short film "The Spirit of Christmas-Jesus vs. Santa Claus", on which the series is based. In the film, Stan asks Cartman "What Would Brian Boitano Do?" when Jesus is fighting with Santa and then Brian appears to help them. Https://en.m.wikipedia.org/wiki/The_Spirit_of_Christmas_ (short_film).
Trivia: Wait for the credits to end, and you'll catch a hidden scene with Ike - who's STILL hiding in the attic.
Trivia: The ending of the song "Uncle Fucka", in which Terrance and Phillip spell out the title and then sing "Uncle Fucka, that's you", is a parody of Rodgers and Hammerstein's theme from "Oklahoma." (00:06:30)
Trivia: The pianist for Big Gay Al's song is Marc Shaiman, who helped Trey Parker with most of the songs for the movie. The piano makers are Felcher and Sons, and a 'felcher' is a man who gives a 'rim job' to another man. (A 'rim job' is something Cartman's mother made us all aware of earlier in the film). (01:01:45)
Trivia: The film contains 399 profane words (the word "f**k" appears 133 times), 128 offensive gestures and 221 acts of violence.
Trivia: On Cartman's bedroom door, you can see the vague picture of some sort of superhero. If you look closely, you will see that it is actually a picture of 'Orgazmo', the main character of the film Orgazmo made by South Park creators Matt Stone and Trey Parker in 1996.
Trivia: The child asked to spell "forensics" bears a striking resemblance to South Park co-creator Matt Stone.
Trivia: When the Dr is describing about the V chip there is a man in the front row who looks like Terry Jones when he was in the 'Nudge, Nudge, Wink, Wink' Monty Python sketch. That sketch also starred Eric Idle who provided the voice of the Doctor.
Trivia: This film contains many references to the "Les Miserables" musical, first, "La Resistance" is somewhat similar to the barricades in the musical, second, the song "Tomorrow Night" is very similar to the song "One Day More", third, the mole's death scene is a lot like Eponine's death scene, and fourth, perhaps the most obvious, when the kids walk up the hill to save Terrence and Phillip, and again when they step in front of them, you can hear a little bit of the tune "Little People".
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.