Gumball and Darwin are left in charge of the class pet hamster, Chris Morris, but they end up leaving it at school over the weekend.

Darwin becomes jealous of Gumball and Penny's new relationship and sets out to find information that will break them up.

Gumball refuses to forward an e-mail purportedly sent by a ghost, against Darwin's advice. When a curse begins to take effect and their family is dragged into another dimension, Gumball and Darwin seek Carrie's help to save them.

After Granny Jojo brings her new boyfriend to dinner at the Watterson household, Richard forbids her from seeing the boyfriend again.

The Wattersons have had a bad day, but it turns out Larry has too and it's about to get worse... for everyone!

Noticing that everyone is in the doldrums of January, Gumball and Anais invent a new holiday to spark excitement.

When a Butterfly emerges from its chrysalis Gumball and Darwin want to release it. Miss Simian warns them about the butterfly effect. Gumball releases it anyways, and a domino effect causes chaos throughout the city.

Gumball and Darwin try to figure out the meaning of life after coming down from a sugar rush.

After failing at making Alan lose his temper, Gumball and Darwin decide to adopt Alan's positive attitude.

Gumball and Darwin help Anais make up an imaginary friend who turns out to be all too real.

After discovering a prophetic painting depicting Gumball's naked run through the mall, he is determined to avoid that outcome.

Darwin becomes obsessed with safety after seeing a video in class.

Gumball is convinced there is a Secret Society in school, and he wants in.

When Gumball and Darwin have to wait to see a movie, they must go an entire week without someone spoiling the plot.

Miss Simian threatens to expel the boys if they are late for school, so they race a clock in order to arrive on time.

Gumball and Darwin investigate the disappearance of the family's stuff only to find out some stranger is living in the house with them.

When Gumball's family tries to cheer him out of an inexplicable lousy mood, he wishes they would all disappear.

Richard tries to find the kids before Nicole realizes they're gone.

Gumball grows jealous of Darwin's new talent.

The Wattersons become poor when Richard loses all their money.