The boys think Kyle (the new kid) is a pretend wizard. But, the boys soon learn that their new friend is an actual wizard expelled from a wizard school called Milkweed Academy.
The boys switch noses for class picture day, but rivalry is just around the corner.
Yum Yum (Fanboy and Chum Chum's gum friend) comes to school, but the new janitor is on the case.
The boys go to the Frosty Mart to by Frosty Freezy Freezes, but Chum Chum spends their only dollar on Boog's Chimp Chomp game.
Fanboy trades Chum Chum for Yo's Mecha-Tech robot.
Fanboy and Chum Chum try to convince Oz to sell something so he doesn't lose his store.
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.
Fanboy refuses to bathe for a world record, but his right hand comes to life and threatens to rob the school's charity bake sale.
Fanboy and Chum Chum have a test coming up and if the entire class passes, they win a bouncy house. Fanboy decides to install his brain into Oz's robot to get smarter, but worse results come to follow.
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.
Boog will do anything for the boys if he wants to get one of their 3 tickets to see a Chimp Chomp movie.
Fanboy and Chum Chum take home and care for the class pet pig, Precious. But Mr. Mufflin catches Fanboy teaching him kung fu and thinks he's hurting him, so he takes Precious back and Fanboy can no longer care for him.
Boog believes he saw a monster in the Frosty Mart, and Fanboy and Chum Chum help him catch it.
Fanboy suspects he's bitten by a vampire, and the boys go see a neck specialist who IS a vampire.
Fanboy gets amnesia, causing Chum Chum to become an open target for Yo.
Lupe falls in love with Fanboy after he "saves" her from a spider.
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.
Fanboy assembles a mop girlfriend as a date for his school dance.
Fanboy and Chum Chum meet a Viking named Thorvald, and try to get him back home to Valhala.
When Fanboy and Chum Chum are punished for making a mess in the cafeteria, they have to help Janitor Poopatine clean up the school.
Fanboy, Chum Chum and Kyle get Kyle's Scrivener Elf to write fake excuse notes to get out of various classes.
Chum Chum shows Fanboy a time of day called Night-Morning (midnight). Fanboy invites the whole class over to party, but it doesn't seem as fun to them as Fanboy and Chum Chum do.
The boys wind up in the wrong playground and are mistaken for preschoolers. While there, they encounter Marsha, Fanboy's archenemy.
The boys learn to take care of business when a Secret Shopper comes to the Frosty Mart.
Prank Day arrives and the boys can't wait to show off their skills. But when Yo can't stop pranking Fanboy, he tries to prank her back.
Pizza Day at school is interrupted as Lunch Lady Mildred has retired and Mrs Crabb is the new Lunch Lady replaces it with a glop of unknown origins. She will not let anyone leave until the glop is all gone. What to do with a lunch that growls back at you?
The boys are desperate to keep a recalled toy of their favorite octopus cartoon character named Agent 08.
Lenny and Boog plot to steal Fanboy and Chum Chum's special cup that gives them unlimited, free refills.
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.
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.
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.
Kyle is not pleased when his old rival, Sigmund the Sorcerer, shows up in Galaxy Hills. And when Sigmund comes over to his place for dinner, Kyle tries to pass Fanboy and Chum Chum off as his elf assistants.
While playing pirates, the boys accidentally bury the map with the treasure, so they get the whole class together to help find it.
Fanboy, Chum Chum and Kyle go camping on the Frosty Mart roof, but Kyle accidentally drops the rope to get down, forcing the boys to try and survive in the roof's bitter, cold, frosty weather!
Fanboy worries that he's shrinking, and moves into Yo's dollhouse.
The boys' desks are separated for singing out loud during "Quiet Time", so they try to get reunited.
Fanboy is turned into a puppet and tries to prove himself worthy by doing a good deed, but it doesn't go well.
Fanboy swipes Kyle's spellbook to finish his book report, but ends up turning Mr. Mufflin into a zombie.
Man-Arctica poses as a storeworker named Stan at Oz's when Fanboy and Chum Chum believe that he disappeared forever.
Fanboy and Chum Chum are eager to ride a new roller coaster, but Fanboy's excitement later turns into fear.
Fanboy trains himself to be ambidextrous in order to be a better class clown.
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. Fanboy recruits his friends and they work together as a military rescue team to get Chum Chum back
Lenny tries to ruin Fanboy and Chum Chum's chances of winning a million Frosty Bucks by stopping them from writing a jingle.
The boys have no luck while searching for a cereal box toy that's in limited condition, so they seek help from Oz.
The boys start a lemonade stand, but Lupe and Yo start a competing one across the street.
Kyle tries to find out how Fanboy can connect two rings together.
Chum Chum grows into a Chulk, and Fanboy has fun. But when Chum Chum shrinks to normal size due to Boog scaring him, Fanboy tries to make him grow again.
Thorvald visits Fanboy and Chum Chum and they help him get his battle axe back from the lunch lady.
When Lenny's bike gets destroyed outside the Frosty Mart, Fanboy and Chum Chum try to determine who did it.
The boys teach Boog how to stop bopping so he can stay at the Frosty Mart.
Man-Arctica takes a game of freeze tag up to a new level by freezing everybody! Fanboy and Chum Chum do their best not to get frozen.
Man-Arctica tries to prove who he is when Fanboy and Chum Chum refuse to believe him.
When Fanboy and Chum Chum unknowingly get baby toys in the mail, they soon believe that all their toys are for babies when an actual baby wants to play with all their toys. Soon, they vow to never play with toys again.
After the boys accidentally release the monkey from Boog's favorite video game, Chum Chum sneaks into the machine and pretends to be Chimp Chomp so that Boog doesn't find out.
Kyle's scheme to cheat his way back into Milkweed backfires when his spell for crib notes turns him into a baby.
The boys get locked in the school right before summer vacation.
Lenny goes back in time to stop the boys from having their first Frosty Freezy Freeze.
Fanboy and Chum Chum accidentally cause Kyle to lose a tooth, which means the Wizard Tooth Fairy is coming. But unlike the normal Tooth Fairy, when the Wizard Tooth Fairy comes, he takes all your teeth.
Boog must learn how to be a boppee, one who gets bopped, after being bopped countless times by Lemuel, the meanest and newest Frosty Mart employee.
Fanboy forgets Chum Chum's birthday, and desperately scrambles to find a gift for him.
When Fanboy learns that he is the king of the janitors, Janitor Poopatine is forced to tutor him by the Custodial Council.
After losing their memories from a wicked brain freeze, Fanboy and Chum Chum must retrace their steps to locate their missing underwear.
Fanboy and Chum Chum can't figure out how to get slimed on Slime Day, because they don't know the secret phrase. So they travel to the Nickelodeon studio to get the secret phrase from the president of the company.
Fed up with Boog's bullying, Fanboy builds up an electric charge so he can shock Boog.
When Oz's cousin, Brizwald, comes to town, Oz is certain he is after his most valuable Man-Arctica comic book.
Hall monitors Fanboy and Chum Chum complicate Kyle's attempt to get back into Milkweed Academy.
Fanboy and Chum Chum win a dream vacation and believe that means they can take it at the Frosty Mart.
Fanboy and Chum Chum try to derail a field trip to the horrible Glop Mines, where they've heard that a kid-eating glop monster lives.
When Fanboy and Chum Chum lose their taste sense to a Halloween spirit, Mr. Trick, they try to bring him 1,000 screams in order to get it back.
When the boys crash land on Planet Hasselhoth, their friendly visit with Man-Arctica results in the trio's capture by Man-Arctica's nemesis, Global Warmer.
When Oz's new, vintage Boom Bot toy hypnotizes him into selling items whenever the doorbell to his shop rings, he ends up selling all of his collectors' items.
Fanboy and Chum Chum play cupids when Dollar-nator falls in love with Oz's new robot librarian, Julie Android.
The boys find a new pet that's a cross between a rattlesnake, a skunk, and a porcupine. This animal is called the rattleskunkupine, but Fanboy and Chum Chum name it Scooter. They have to hide it from Oz when they learn that it's terrorizing the city.
Boog is ecstatic to meet the Chimp Chomp champion. However, the boys have to get Boog across the street when he has an allergy to their Man-Arctic Seal uniforms and is stuck in his childhood bubble.
Fanboy and Chum Chum find a Leprechaun in a box of cereal, but he refuses to give them the mystery cereal shape the cereal box promised.
The boys find a third Strawberry Fun Finger in their usual two-pack and desperately try to decide who gets to eat it.
The boys cause a town-wide blackout when they settle in to watch a movie called Robot Pirate Ninja President from the future.
When Fanboy gets a toothache, he must overcome his fear of the dentist to seek treatment. Worst of all, the dentist is a vampire with a scary-sounding machine called the Extractor in his office.
The boys endeavor to help Boog beat the all-time record in Chimp Chomp. However they accidentally unplug the machine and delete Boog's score when he finally beats the record.
The boys develop a crush on Nurse Lady Pam on Lice Inspection Day, and soon both fight over her affection.
After Retchy Lintpockets spots Fanboy a piece of taffy on credit, Fanboy promises to get him next time. But instead, Retchy promises to get Fanboy next time, in this Raimi-esque tale of suspense!
After Fanboy winds up on Man-Arctica's Naughty List, the boys infiltrate the Igloo of Isolation to try to get him back onto the Good List in time for Icemas.
After Fanboy creates the perfect goofy face, he is determined to use it to make the class photo hilarious.
Lenny bakes Chocolatonium chip cookies for Agent Johnson's birthday and orders Dollar-nator to keep them away from Fanboy and Chum Chum at all costs.
When best pals Fanboy and Chum Chum notice a frightening rift in their friendship, Oz teaches them how to return to paladise.
After Fanboy and Chum Chum discover they have the Frosty Freezy Freeze Sweepstakes winning cup, everyone in Galaxy Hills conspires to take it from them.
Kyle is angered when Sigmund releases a new video game, but when he learns the winner gets to go to Milkweed, Fanboy and Chum Chum help him win it.
When Kyle loses his job as Official Chalkboard Eraser to Fanboy, Kyle gives him a magical eraser that can erase whole objects, hoping it will get Fanboy in trouble.
After reading a captivating comic book, the boys don't agree on whether heroes are better than villains, or if villains are better than heroes. They continue their debate as Super Chum and Fannihilator.
The boys dress up like girls to infiltrate Yo's slumber party to prove that girls are face-eating aliens from Planet X.
Faniel and Chumtholemew are two 1800s wild west prospectors on the hunt for the fabled Frosty Freezy Freeze.
The boys win an opportunity to hang out with Man-Arctica at his insufferably cold summer camp, only to discover an easy escape at Global Warmer's summer camp.
Fanboy, Chum Chum and Kyle get lost in the desert after partnering up for a field trip to the Dinosaur Museum, and later encounter a dinosaur in real life.
Fanboy and Chum Chum's plans to have a totally normal day are ruined when all the weird things and characters they've been faced with on their many adventures return to town, including Thorvald.
Fanboy and Chum Chum's new Ultra Deluxe Mega Mic toy allows them to make their own crazy sound effects in addition to auto-tuning their voices. Problems arise when Fanboy and Chum Chum abuse the Mega Mic and make Mr. Mufflin think that school's out. Things get even worse when it starts to make sounds on its own.
When Boog is forced to wear the costume of the Frosty Mart mascot Freezy, the boys are convinced he is the real Freezy.
In this superhero cartoon parody, Super Chum works with Fannihilator to stop Copy Kitten from taking Fannihilator's place as Super Chum's best nemesis.
The boys create clones of themselves so they can go on a field trip to the thermometer factory. But the inattentive clones create more clones, and the town is quickly overrun by highly unstable, zombie-like Cloneboys and Chum Clones.
Fanboy and Chum Chum learn about a secret club in Galaxy Hills and do whatever they can to locate it.
