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, Anais, and Princess Skydancer must find him.

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

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

The Tale:
Darwin tells Gumball and awesome tale.

The Hurricane
A Terrible hurricane causes havoc in Elmore.

The Dance
Princess Skydancer organizes a middle school dance and she finds out many atendents are better than 1.

The Capture
Princess Skydancer get kidnapped by Mr. Robinson and Gumball and the gang has to save her.

The Accident:
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.

The Return
Season finale:

The citizens of elmore throw a festival for Elmore's newest princess (Princess Skydancer, of course) then back in the dump, the lucky helmet turns into a dark counterpart of Gumball who wants revenge on him.