Rocky & Bullwinkle are in Imaginationland.
Astro Boy is in Imaginationland.
Luke Skywalker is in Imaginationland.
Alien is in Imaginationland.
V.I.N.CENT.'s on the battlefield.
The ghosts from Pac Man are in Imaginationland.
Indiana Jones is in Imaginationland.
Stan mentions seeing Strawberry Shortcake in Imaginationland.
A guard from Tron is in Imaginationland.
Q*bert's on the battlefield.
Butters reimagines the whole Imaginationland just like Bastian had to do after Fantasia had totally disappeared. Also both Butters and Bastian are characters from 'real' world.
What ever Butters is going to imagine, it is coming to Imaginationland. Like the marshmallow man in Ghost Busters, it is her Butter' dad.
Freddy Kreuger is in Imaginationland.
Snarf is in Imaginationland.
A Care Bear is in Imaginationland.
Bowser appears with the evil Imaginary characters in the battle
Cobra Commander is one of the Imaginationland villains in this episode.
Captain Ivan Drago appears among the villains.
Audrey 2 is one of the Imaginationland villains in this episode.
Pinhead is in Imaginationland.
Benny the cab is one of the Imaginationland combatants.
Captain Planet is one of the Imaginationland heroes.
Wario (who debuted in this game) can be seen in Imaginationland.
Darkseid is one of the Imaginationland villains in this episode.
Spawn is in Imaginationland.
Ganondorf appears among the evil Imaginary characters in the battle
Morpheus is in Imaginationland.
Darth Maul is one of the Imaginationland villains in this episode.
Zim appears among the villains.
Ichigo Momomiya is in Imaginationland
Aslan is one of the Imaginationland heroes.
Recap footage and Al Gore's footage of Manbearpig.
The battle for imaginationland parodies the battle at Helms Deep. Also, Gandalf appears.
Al Gore; as he shows a video of 'man-bear-pig' attacking the army base to board members at a meeting, the dialog echoes directly the Operatives opening lines as he rewinds and stops the video-hologram of River Tam's escape in Serenity.