The Amazing World of Gumball: Season 4:

Here are some ideas for season 4. This may air in 2014.

The Train:
Gumball finds a toy train that is cursed.

The Monster:
Gumball and Darwin find a monster in the closet.

The Devil:
Darwin destroys the robinson's house by accident and becomes evil.

The Test:
Gumball must pass a big test.

The Cave:
Darwin finds a strange cave, and gets lost, so Gumball must find him.

The Jacket:
Gumball gets his sweater torn and must get a new one but apparently they were sold out of sweaters so Nicole buys Gumball a jacket instead which makes him more cooler than before.

The Vampire:
Darwin gets bit by a vampire and tries to bite Anais and Gumball.

The Lier:
Anais lies that Gumball was a famous person and gets a little overboard.

The Amazing World of Regular Show:
Mordcai and Rigby had to sell up those advertisements so they put it up in Gumball's school, but a Tina kidnaps Benson, and Mordecai, Rigby, Gumball, and Darwin must save him.

The Sasauge:
Season finale:

Gumball and Darwin prank Dad for a sasuage and must get him back before they get into trouble.