The Amazing World of Gumball: Season 5:

Here are some ideas for season 5.

The Pencil:
Gumball gets a new pen that causes havoc in the house.

The Change:
Darwin changes his personality, but gets kidnapped, and Gumball must find him.

The Third Brother:
Gumball gets Tobias as a third brother in the family.

The Dream:
Gumball gets a dream that comes to life.

The Tale:
Darwin tells Gumball and awesome tale.

The Accident:
Season finale:

Anais gets hit by a truck and goes to the hospital but Gumball and Darwin find out that they won't be seeing Anais again for 3 years.