The Amazing World of Gumball: Season 6:

Here's some ideas for season 6.

The Marathon:
In order to see the movie, Gumball and Darwin must stay up one whole day to see the movie marathon.

The Battle:
Gumball gets into a battle with Banana Joe.

The Dinosaur:
Gumball tries to be like a dinosaur, but endsup making a fool of himself.

The Problem:
Gumball and Darwin get stuck in pipes and trie to get out.

The Mansion:
Gumball finds this weird mansion that is haunted.

The Hero:
Gumball saves Pennys life but must stay with him as favor.

The Job:
Gumball and Darwin get blackmailed by a stranger and get told to get a job.

The Reindeer:
Gumball finds about Penny's secret.

The Amazing World of Regular Show 2: When 2 Heroes Unite!
Mordecai, Rigby, Gumball, and Darwin must go to prom night and get into a fight, and must defeat Bobert, and Peeps to save Anais.

The Amazing World of Regular Show 3: The Ultimate Enemy:
Season finale:

Gumball and Darwin get Fs and meet Mordecai and Rigby to help, while they make an enemy that becomes too powerful to defeat.