Gumball and Darwin get to babysit Anais whilst their parents go to a PTA meeting but being "responsible" has a different meaning when you don't know what it means.
Gumball and Darwin grow bored of one another and seek out a third friend to make their lives more exciting.
Believing that his life had been saved, Gumball vows to repay his debt by saving Mr. Robinson's life.
Gumball and Darwin, thinking that the world will end in 24 hours, decide to make the most out of their remaining time.
When his clothes are shrunk in the washing machine by his father, Gumball is forced to wear his mother's wedding dress to school.
Gumball and Darwin help Anais get her beloved doll back after it is lost on the way to school.
Gumball and Darwin become unwitting accomplices in a stick-up at a gas station.
When Masami claims that Darwin is her boyfriend, Gumball vows to help his friend before he gets kissed.
After seeing a picture that Anais drew, Principal Brown assumes that Anais finds her family dysfunctional, so he begins to meddle in their family life.
Gumball and Darwin challenge their father to a laziness competition, with the loser having to do the winner's chores.
When a ghost named Carrie possesses Gumball's body in order to feel earthly experiences and to eat, he must learn to say "no" to her.
Gumball decides to investigate when his class finds Principal Brown wrapped up in toilet paper, shaved and, covered in green paint, or else face detention.
Gumball and Darwin are ridiculed for their martial-arts outfits by their schoolmates, and their mom tries to convince them to take them off.
A kiss from Grandma JoJo traumatizes Gumball, and Darwin attempts to help him forget.
Gumball and his friends are invited to a high-school party hosted by Tobias's sister Rachel, but they must find dates in order to attend.
Gumball and Darwin go to great lengths to get their money back from an incompatible video game, but the rental store's policy prevents them from getting it.
Gumball decides to help Bobert act like a real boy. However, it soon becomes a battle for his very identity when the robot plots to take over his life.
A school picnic in the Forest of Doom poses a hazard for Gumball and Darwin.
Mr. Small teaches Gumball and Darwin various ways of becoming more honest.
Richard believes there's a ghost in the attic but is actually Mr. Robinson who Gumball moved up there after entering a catatonic state due to being kicked out by his wife. Gumball and Darwin work on trying to restore Mr. Robinson whilst Richard, unaware of this, sets traps for the ghost.
Gumball and Darwin want to become adults, Richard wants to lose weight. After accidentally having their cereal switched with supplements Richard ordered, Gumball, Darwin and Anais find themselves having very unusual growth spurts.
Gumball learns how to date, so he can go out on a date with Penny. Later on it turns out that he is going to a funeral, not a date.
When Gumball turns down an offer to join the Rejects Club, they seek to enact revenge against him.
Gumball and Darwin are eager enough to do numerous chores at Mr. Robinson's house, until they accidentally destroy his car.
Gumball's good day turns bad to worse throughout his school day, much to the point where he believes he is "cursed".
Gumball creates a creature, made of every gross thing he could find, with a cannibalistic appetite.
Seeing Gumball in need of attention, Nicole hangs out with him at school, which becomes increasingly embarrassing for her son.
After Gumball's bullying problem, Tina Rex demands to have a fight with him.
