Fanboy trades Chum Chum for Yo's Mecha-Tech robot.

After they accidentally "power down" Yo's digital pet cat Scampers, Fanboy and Chum Chum bury it at the graveyard only to make it come back as a zombie.

When a heatwave hits Galaxy Hills, the boys see the Frosty Freezy Freeze machine is on the fritz. They try to nurse Berry, the ice monster who runs the machine back to health but wind up getting "Frosty Freezy Freeze Fever" the moment they lick him.

Fanboy suspects he's bitten by a vampire, and the boys go see a neck specialist who IS a vampire.

Fanboy, Chum Chum and Kyle get Kyle's Scrivener Elf to write fake excuse notes to get out of various classes.

Prank Day arrives and the boys can't wait to show off their skills. But when Yo can't stop pranking Fanboy, the boys are forced to enlist Boog to help them prank her back.

The boys wind up in the wrong playground and are mistaken for preschoolers. While there, they encounter Marsha, Fanboy's archenemy.

Kyle transforms into a chicken after getting the chicken pox, so the boys try to get him to turn back to normal by laying an egg.

The boys want to buy a Frosty Freezy Freeze from the Frosty Mart's new bus, but Boog won't let them. So, they try to find a way to get their treats without getting bopped.

The boys are under the weather, and when they wind up fighting each other, they also fight over Kyle's attention when he comes to visit them.

Fanboy and Chum Chum buy Boog's plastic bubble from a yard sale, but Boog gets outraged when he descovers it makes the riders bop-proof.

After Hank takes away everyone's toys due to no toys allowed in class, he mistakes Chum Chum for one and takes him as well.

While Chum Chum leaves Fanboy by himself to care for his new Ultra-Ninja, Fanboy accidentally breaks it, and tries not to let Chum Chum know.

Fanboy gets amnesia, causing Chum Chum to become an open target for Yo.

When Lenny's bike gets destroyed outside the Frosty Mart, Fanboy and Chum Chum try to determine who did it.

While playing pirates, the boys accidentally bury the map with the treasure, so they get the whole class together to help find it.

Lenny tries to ruin Fanboy and Chum Chum's chances of winning a million Frosty Bucks by stopping them from writing a jingle.

Kyle tries to find out how Fanboy can connect two rings together.

The boys start a lemonade stand, but Lupe and Yo start a competing one across the street.

Fanboy swipes Kyle's spellbook to finish his book report, but ends up turning Mr. Mufflin into a zombie.

The boys' desks are separated for singing out loud during "Quiet Time", so they try to get reunited.