The students of Elmore Junior High find their world turned upside down when the mysterious school superintendent comes to stamp out their cartoonish ways.
When Gumball's old BFF Fuzzy turns up on his doorstep, Darwin struggles to accept that there was someone before him and fails to contain his jealousy.
When everything goes wrong in Darwin's life, he begins to suspect that Gumball's bad influence might be to blame; Darwin decides to go elsewhere for guidance and finds a new mentor in Alan.
Darwin tries to highlight the plight of all the household objects he feels are being oppressed and maltreated by the uncaring residents of Elmore, then decides to lead those objects in a revolt against the townspeople.
Mr. Robinson tries and repeatedly fails to win back Gumball and Darwin's friendship.
After staying up all night, the boys baby-sit Penny's little sister and manage to lose her in the blink of an eye.
Gumball and Darwin realize that the adult residents of Elmore are dangerously naive when it comes to being safe online, and in fact are in serious need of the boys' help with even the simplest of tasks.
Gumball and Darwin's clothes go missing after a swimming lesson; when Gumball is forced to wear a tuxedo from the lost and found office, he believes it makes him look like a certain dapper British secret agent.
Gumball and Darwin save the day at the Rainbow Factory.
Gumball and Darwin believe they've turned Miss Simian into a neck-cushion.
Banana Joe's Mom can predict the future, but she can't predict her own disappearance.
Have Gumball and Darwin finally run out of things to say to each other?
The Wattersons play a fantasy role-playing board game to resolve their differences.
Richard becomes supernaturally attached to his old refrigerator.
Anais and Jamie form an unlikely partnership when they're accused of a crime they didn't commit.
Gumball tries to protect Darwin from his unsuitable undead girlfriend Carrie.
Richard misses a package and is forced into an escalating feud with the delivery guy.
Gumball decides to engross himself in plant culture to appease Leslie after making an offensive comment.
Mr. Small goes feral after Gumball and Darwin expose his hypocrisy.
Halloween isn't what it used to be. Can Gumball and Darwin help the ghouls get their scare back?
The Wattersons are forced to rent their house to a pair of elderly fainting goats.
Gumball and Darwin get into trouble misunderstanding a new kid in school.
Gumball is asked to settle a dispute between Penny and her family.
Rob creates a variety of spinoff Elmore shows and formats to replace Gumball.
Gumball and Darwin use a magic potion to shrink Hector.
Technology reaches human intelligence then becomes dysfunctional as it picks up human flaws.
Gumball and Darwin take on Larry's jobs for 5 minutes and realize how bad it is.
Richard creates chaos in the Chanax building when he is mistaken for the long lost CEO. Nicole and a disgruntled employee must save everyone from Richard's dangerous ideas.
Nicole and her parents reconnect after a long forced absence.
The Wattersons have to stop doing stupid things in order to prevent Anais from falling into a coma from facepalming too much.
Sarah finds a notebook from the Awesome Store which magically makes what she draws happen. Unfortunately, she draws bizarre love stories throughout Elmore.
Gumball and Darwin try to find out the name of their neighbor, Antlers Guy, but accidentally blow his witness protection cover.
Gumball and Principal Brown make a pact to tell each other what problems their girlfriends have.
When Clayton shapeshifts into Gumball to take his detention, he starts framing others for misdemeanors so Gumball and Darwin must track Clayton down to stop him.
A group of kids get locked in the school after their parents have a charity gala. They appoint Gumball as leader to get them out but it leads to chaos.
Alan has lost faith in humanity and turns the world black and white. Gumball must get over his hatred of Alan to bring the color back by singing.
The kids convince Mr. Corneille to become a cage fighter and set up a fight against a fearsome Russian fighter.
Gumball and Hot Dog Guy discover why they're so awkward with each other.
The kids try to help Richard bond with Frankie.
Tobias tries to be Gumball’s best friend.
Gumball and Darwin want to veg out all day, but their plans go awry and they have to save the rest of the family.
Darwin ends up in detention with Julius, who decides to make Darwin his new target. However, it backfires when Darwin ruins his life.
Gumball and Darwin find out that Dad has been dressing as a woman to make friends.
When Anais is a newborn baby, Gumball and Darwin become jealous of their new sibling, and spark a baby war.
