The Amazing World of Gumball Season 1

Gumball and Darwin LOVE their martial arts costumes and vow to never take them off. Till all the kids at school laugh them out of the building. Then Gumball and Darwin go to extreme lengths to return a video game and get their money back.

Till Larry the clerk laughs them out of the store. After that, Gumball and Darwin head out on a school picnic.