Leprechauns use Dr. Weird's Rainbow Machine to mug people from afar, apparently for shoes. Although they don't end up with anything more than a gold chain, a Banarama tape with no case and rollerskates.

Dr. Weird creates a mutant moth/human called Mothmonsterman, but it flies out of the giant hole left by Rabbot and flies toward the Aqua Teen's house, craving the bright light it sees coming from within. When the light is switched off, Mothmonsterman does everything in his power to frighten Master Shake into turning it back on.

Meatwad gets new electric powers thanks to Shake's shenanigans, which make everyone hate him because they either die or get hurt when they're near him. But it's stil useful for getting revenge on Shake.

Frylock attempts to make contact with aliens and is successful... but there's only two problems. First, the aliens want to take over Earth, and second, they're too stupid to pull it off.

Shake makes a large mess in the kitchen and refuses to clean it, eventually resulting in the formation of a new lifeform which Meatwad gleefully names "Ol' Drippy". Shake becomes jealous of the attention that the new character receives.

The Mooninites are back and this time they've got a belt that gives them superpowers from the band Foreigner.

Subliminal messages in the music Meatwad has been listening to draw the team to a warehouse, where they find out that rap artist behind the music is actually a giant spider.

Meatwad gets a new doll, Happy Time Harry, which has a dreadfully bitter and jaded personality. Happy Time Harry's time is up when his negativity begins to affect everyone.

Master Shake is kidnapped by returning characters Emory and Oglethorpe. The two aliens replace him with a "replicant", but Frylock and Meatwad soon realize that the Shake "replicant" doesn't resemble Shake at all.

Master Shake sells Meatwad to the circus, but when Meatwad becomes a huge big top success, Shake gets jealous and tries to get in on the act. It's a battle of the freaks!

Frylock discovers a mummy in the crawlspace under the house. The mummy begins to exhort his bratish favors from Frylock by threatening him with an ancient Egyptian curse.

Meatwad's brain is discovered to be nothing more than a toy with a jingle bell in it. After Meatwad goes through a brief depression, Carl gets him a new live brain against Frylock's will. With his new brain, Meatwad begins to grow smarter and larger.

While looking up teeth conspiracies (and Metallica) on the internet in Frylock's room, Shake and Meatwad make various popup windows appear in Frylock's room which start to spread throughout the house.

Shake is missing his Personal Digital Assistant. The gang proceeds to look in the Adirondack mountains and in Carl's pool for it, until finally they confront the thief. If he IS a thief. Or maybe Shake's just greedy and wants his PDA.

As a Christmas present to themselves, Shake and Carl split the cost of a mail-order bride from Russia. Unfortunately, once she gets a look at her new "husbands" she freaks out and locks herself in Carl's house, leaving Carl stuck outside.

Carl is visited by the Cybernetic Ghost Of Christmas Past From The Future and learns that his house is built on an elfin graveyard, thus causing his pool to fill with blood. Then the Cybernetic Ghost Of Christmas Past From The Future recounts a long story about the first Christmas.