The Rival
E1
When Anais is a newborn baby, Gumball and Darwin become jealous of their new sibling, and spark a baby war.
The Lady
E2
Gumball and Darwin find out that Dad has been dressing as a woman to make friends.
The Sucker
E3
Darwin ends up in detention with Julius, who decides to make Darwin his new target. However, it backfires when Darwin ruins his life.
The Vegging
E4
Gumball and Darwin want to veg out all day, but their plans go awry and they have to save the rest of the family.
The One
E5
Tobias tries to be Gumball’s best friend.
The Father
E6
The kids try to help Richard bond with Frankie.
The Cringe
E7
Gumball and Hot Dog Guy discover why they're so awkward with each other.
The Cage
E8
The kids convince Mr. Corneille to become a cage fighter and set up a fight against a fearsome Russian fighter.
The Faith
E9
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 Candidate
E10
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.
The Anybody
E11
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.
The Pact
E12
Gumball and Principal Brown make a pact to tell each other what problems their girlfriends have.
The Neighbor
E13
Gumball and Darwin try to find out the name of their neighbor, Antlers Guy, but accidentally blow his witness protection cover.
The Shippening
E14
Sarah finds a notebook from the Awesome Store which magically makes what she draws happen. Unfortunately, she draws bizarre love stories throughout Elmore.
The Brain
E15
The Wattersons have to stop doing stupid things in order to prevent Anais from falling into a coma from facepalming too much.
The Parents
E16
Nicole and her parents reconnect after a long forced absence.
The Founder
E17
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.
The Schooling
E18
Gumball and Darwin take on Larry's jobs for 5 minutes and realize how bad it is.
The Intelligence
E19
Technology reaches human intelligence then becomes dysfunctional as it picks up human flaws.
The Potion
E20
Gumball and Darwin use a magic potion to shrink Hector.
The Spinoffs
E21
Rob creates a variety of spinoff Elmore shows and formats to replace Gumball.
The Transformation
E22
Gumball is asked to settle a dispute between Penny and her family.
The Understanding
E23
Gumball and Darwin get into trouble misunderstanding a new kid in school.
The Ad
E24
The Wattersons are forced to rent their house to a pair of elderly fainting goats.
The Ghouls
E25
Halloween isn't what it used to be. Can Gumball and Darwin help the ghouls get their scare back?
The Stink
E26
Mr. Small goes feral after Gumball and Darwin expose his hypocrisy.
The Awareness
E27
Gumball decides to engross himself in plant culture to appease Leslie after making an offensive comment.
The Slip
E28
Richard misses a package and is forced into an escalating feud with the delivery guy.
The Drama
E29
Gumball tries to protect Darwin from his unsuitable undead girlfriend Carrie.
The Buddy
E30
Anais and Jamie form an unlikely partnership when they're accused of a crime they didn't commit.
The Possession
E31
Richard becomes supernaturally attached to his old refrigerator.
The Master
E32
The Wattersons play a fantasy role-playing board game to resolve their differences.
The Silence
E33
Have Gumball and Darwin finally run out of things to say to each other?
The Future
E34
Banana Joe's Mom can predict the future, but she can't predict her own disappearance.
The Wish
E35
Gumball and Darwin believe they've turned Miss Simian into a neck-cushion.
The Factory
E36
Gumball and Darwin save the day at the Rainbow Factory.
The Agent
E37
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.
The Web
E38
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.
The Mess
E39
After staying up all night, the boys baby-sit Penny's little sister and manage to lose her in the blink of an eye.
The Heart
E40
Mr. Robinson tries and repeatedly fails to win back Gumball and Darwin's friendship.
The Revolt
E41
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.
The Decisions
E42
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.
The BFFs
E43
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.
The Inquisition
E44
The students of Elmore Junior High find their world turned upside down when the mysterious school superintendent comes to stamp out their cartoonish ways.