ShortSummary
| - Yancy holds a boy-bashing sleepover, which upsets Jimmy after Robin shows up. Elsewhere, Jimmy's dad takes a space joyride and Dolly loses touch with her feminine side.
Guest Star: Jenn Shagrin as Humorless Teen Girl, Courtney Hope as Angry Teen Girl
- After Robin blames Jimmy for ruining her rock opera, she looks for revenge during the school's annual game of Ambush.
Guest Star: Carlos Alazraqui as Officer Akita, Charlie Stewart as Zeus
- A stressed Jimmy regresses to childhood after falling in with an immature clique. Note: Blake from Fried Dynamite guest stars in this episode.
Guest Star: Chloe Suazo as Undine, Sterling Knight as Brad, Blake Michael as Stop Light Kid, Atticus Shaffer as Aaron, Khamani Griffin as Cody, Tom Virtue as Main Judge, Carlos Alazraqui as Cruxie, Tom Kenny as Nuxie, Brian Posehn as Luxie
- An evil principal obsessed with spitballs drives a wedge between Jimmy and Craig's friendship, and threatens to kick Robin out of school. Meanwhile, Crocco shocks Golly when he tells him he's not his best friend.
Guest Star: Becky Thyre as Principal Fairplay, George Frangides as The Janitor
- Jimmy helps Robin with her campaign for school president, but when she refuses to use his plan to save the old school parking lot tree, he decides to run against her. Meanwhile, Golly, Dolly, Crocco and Tux accidentally release Jimmy's most embarrassing memories inside his brain.
Guest Star: Carlos Alazraqui as Memory 1, Brian Posehn as Memory 2, Tom Kenny as Memory 3
- Jimmy becomes wary of his dad's growing friendship with Craig. Elsewhere, Crocco and Yancy connect.
Guest Star: Gregg Binkley as Notary, Keith Diamond as Mr. Wheeler, Sybil Azur as Mrs. Wheeler
- A bully with a secret lair targets Jimmy and tries to steal Robin. Elsewhere, Sonny snatches a baseball player's brain.
Guest Star: Annie O'Donnell as CKW's Mom, Adam Cagley as Sergei, E.J. Callahan as CKW's Dad, Reed Alexander as C. Kingsley Weatherhead, Michael Cornaccia as Junior
- A reporter for the school newspaper does a story on Jimmy, but she's secretly investigating Craig and his bootleg soda operation. Elsewhere, Yancy gives Sonny romantic advice.
Guest Star: Kieran Newton as The Editor, Katelin Petersen as Hildy Jeffries, Mary Birdsong as Cosima Von Darkness
- Jimmy and Robin skip school to ride a rollercoaster. Also, Sonny creates a robot version of Jimmy.
Guest Star: Adam Conway as Jimbotron
- In order to take Robin to see a movie, Jimmy asks Sonny for help to make him look older. However, instead of making him look older, Sonny switches bodies with Jimmy so he can see the Appleday cartoons. Meanwhile, Jimmy's dad, a parrot, Robin and her piano teacher also switch bodies.
Guest Star: Ellen Albertini Dow as Miss Plattner
- In the Series finale Jimmy earns a spot at the cool kids' table. Elsewhere, Craig finds love and Dolly tries to accept less-popular cartoons.
Guest Star: Christopher David as Desperate Kid, Lil' Romeo as Himself, Patricia Belcher as Lunchlady Edna, Tom Kenny as Getalong Gary
- Jimmy goes into the wilderness with a cartoon owl to verify his dad's accomplishments.
Guest Star: Michael Pataki as Hoots Burly, Nicole Smolen as Young Yancy, Nolan Gould as Young Jimmy, Dave Florek as Ranger Millican
- Dolly teaches Jimmy to skate on a cartoon island and Sonny gets a new job. Note: This was the first episode with a laugh track.
Guest Star: Shadoe Stevens as D.J. Cashew, Tom Kenny as Animated Logan Ogre, Aviva as Employee Emily
- Jimmy and Craig have to get out of detention to prevent Robin from finding out Jimmy's most embarrassing secret.
Guest Star: Eve Brent as Rita, Helen Slayton-Hughes as Doris
- Craig and Jimmy devise an over-the-top stunt in hopes of one-upping an Internet video star. Elsewhere, Robin works with Jimmy's dad.
Guest Star: Ryan Pinkston as Donny Ironsides, Jordi Caballero as Mexican Newscaster, Ryan Alvarez as Larry Wasserman, Patrick Warburton as Moonbounce #1, April Winchell as Moonbounce #2, Tabitha St. Germain as Moonbounce #3, Charlie Adler as Moonbounce #4
- In the Halloween-themed episode Jimmy thinks he sees ghosts in an attic classroom, which Craig spots as a moneymaking opportunity. Elsewhere, Sonny hatches a new plan to get into Jimmy's brain. This episode aired in 3-D.
Guest Star: David Reynolds as Frankenstein's Monster, Jane Sibbett as Ms. Shank, Irene Roseen as Carol Ann, Grey DeLisle as Ghost Mouth/Misshapen Moose, Katelin Petersen as Hildy Jeffries
- Jimmy becomes the school mascot by assuming Crocco's look, but it soon changes his behavior. Elsewhere, Yancy spends a day at work with her mom.
Guest Star: Amy Tolsky as Coach, Pat Finn as Daryl
- The boys make an alien-invasion movie and trick Yancy into the starring role. The plan backfires, however, when Yancy's extraterrestrial ex-boyfriend wants a part in the film as well.
Guest Star: Brian Posehn as Warthog, Tom Kenny as Doc/Female Gopher, Carlos Alazraqui as Female Tornado, Jenn Shagrin as Humorless Teen Girl, Mitch Silpa as Durzagon
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