Frankenstein's Monster attacks Imaginationland.
The Mayor tell Butters to "tap your heels together three times". Also, Glenda the Good Witch is on the "council of nine" in Imaginationland.
The Creature is among the villains.
the cyclops appearing in the episode comes from this movie.
King Ghidorah appears among the villains
Tribbles attack Imaginationland.
Stormtroopers attack Imaginationland, and Luke Skywalker is on the "council of nine."
The episode starts with Cartman saying, "Previously on Battlestar Galactica," and Cylons attack Imaginationland.
A Xenomorph attacks Imaginationland and kills the Mayor by piercing his stomach with its extendable jaw; this scene looks like the famous chestburster scene.
V.I.N.CENT. flees into Castle Sunshine.
Jason Voorhees attacks Imaginationland.
General Zod briefly appears among the villains
Mordred appears among the villains.
Khan is one of the imaginationland villains.
Characters dressed as the virtual people in this movie appear.
Cartman is dressed as "Rambo"
A Skeksis is among the villains.
Christine the car attacks Imaginationland.
Gizmo can be seen in Imaginationland.
A Terminator is among the villains.
Freddy Krueger attacks Imaginationland.
Darkness is one of the Imaginationland villains in this episode.
Kurgan is one of the Imaginationland villains.
Audrey II is among the villains attacking Imaginationland
Pinhead is one of the Imaginationland villains.
A Predator attacks Imaginationland.
Betelgeuse is one of the Imaginationland villains.
Vincent Ludwig is one of the Imaginationland villains.
The Joker is one of the Imaginationland villains.
Cartman's dialogue when he's yelling at Kyle to wake up is taken from The Abyss.
Max Cady briefly appears among the villains
A golden-skinned Goro (the four-armed boss from this game) appears in the background among the villains
Rita Repulsa attacks Imaginationland.
Akuma briefly appears among the villains.
Frieza is one of the Imaginationland villains.
Violator briefly appears among the villains
Morpheus is on the "council of nine" in Imaginationland.
Darth Maul is among the villains.
Cartman's dream is similar to Maximus' vision of returning home. Also the music is similar.
Mathayus the Scorpion King briefly appears among the villains
The aliens that attacked earth also attacked Imaginationland
Aslan is on the council of nine.
Manbearpig attacks Imaginationland.
Recap footage and Al Gore's footage of Manbearpig.
Footage of this episode is shown.
The scene where Cartman attempts to revive Kyle is a spoof of The Abyss where Bud attempts to revive Lindsey.
The U.S. government's portal to the imagination looks and works like the stargate, and Kurt Russel is sent through with a team of soldiers.