When Zim goes to Mars to attempt to find a way to destroy the Earth, figuring that whatever killed the life on Mars may work for Earth as well, he stumbles across the face on Mars, which he later discovers that is actually the controls for a spaceship, in which the entire planet of Mars was the spaceship. Dib learns of this and he attempts to go to NASAPLACE in order to get them to see what Zim is doing, but they refuse to believe him as they can’t look at the monitors. Will Dib be able to find a way to stop Zim before he uses the red planet to squish all the life out of the Earth?

When Professor Membrane invites some of his colleagues over to the house, they insult and mock Dib because of his hobby of paranormal investigation. Matters become even worse for Dib when Mysterious Mysteries begins to show a segment on Chickenfoot, a being that is obviously a guy in a suit. Dib decides to go on a crusade to prove Chickenfoot is a fraud in order to establish the fact that paranormal investigation also disproves the frauds along with proving the real mysteries, though will Dib be able to find the elusive Chickenfoot and even if he does, how will he manage to get the suit off of him?

Zim's Yuletide plan to overtake Earth by posing as Santa starts to backfire when he takes on characteristics of the Jolly Old Elf. Dib, meanwhile, tries to save the population from impending doom.

Class elections find Zim running against a Dib-backed Willy for president.