Butters, the Lollipop King and Snarf from ThunderCats flee through the forest and observe the evil characters torturing and mutilating Strawberry Shortcake.
It is discovered that the portal powers up when the boys, after trial and error, correctly sing the "Imagination" song that the Mayor sang in the previous episode.
The Pentagon decides to send a group of soldiers into Imaginationland, led by Kurt Russell, since his appearance in the film Stargate gives him more experience than anyone else.
After Russell and his troop cross the portal, they encounter the Woodland Critters, who gang rape and kill the soldiers.
In Imaginationland, Butters arrives at Castle Sunshine and is brought before the Council of Nine, consisting of Aslan, Gandalf, Glinda, Luke Skywalker, Morpheus, Popeye, Wonder Woman, Jesus and Zeus.
Back in the Pentagon, the general, seeing that their "imaginations have run wild", orders for a nuclear missile to be launched through the portal.
Club gave the trilogy a B grade, criticizing the slow pace of the main plot and calling it "more like an excuse for a nostalgia trip than a good arc."
However, he praised Cartman's endless pursuit of his bet with Kyle and the return of the Christmas critters, calling their appearance, "some of the funniest moments in South Park's recent history".