Billy's science project goes horribly wrong, and he and his two friends find themselves stuck in a strange land. Billy, Zeke and Marsha must find their way back to the Cheeserator.
Zeke, the King of Calzones, must defend his title when a rival chef enters the picture. Billy invents a grafting machine and starts adding different creature parts to his body.
Billy and Zeke help Marsha find romance, but an unexpected guest could ruin everything. When Billy and Zeke meet the neighboring Troggies, an epic sports showdown ensues.
Billy meets a new friend and a new romantic interest on the same day and is forced to choose between the two. Billy stumbles upon a wicked chemistry master.
Billy takes extreme measures when Marsha convinces him he has brought a curse upon himself. Billy invites a heroic warrior named Zartran to stay at his house.
Billy and Zeke try to figure out Marsha's unexplained bout of klutziness. Zeke is blown away when his favorite extreme sports hero, Tommy X, arrives at their house.
Zartran convinces Billy to pretend to be the nephew of a old lady to scam her out of her secret treasure. Billy is jealous of his new friend's wart and becomes obsessed with it.
Billy loses confidence in his hair, luckily he discovers a wig shop. When the Hag Witch visits her sisters, she gives Billy and Tony one order: stay out of her magical cabinet!
Count Wretcher has a plan to travel to the Surface World and cover the Earth in sludge. When Billy's new friend Jared becomes fast friends with Zeke and Marsha, Billy gets jealous.
Anaximander won't pay attention to Billy, so Billy finds a new pet. Zeke's habit of ignoring the trash on the roof gets him and Billy into a predicament.
The Gork's most sacred, sticky relic goes missing and Billy leads the investigation to find the thief. The gang try to cheer up Anaximander by staging a huge rat-themed stage show.
