Play Sewer Sweater Search for free on Cartoon Network! Gumball ruined his favorite sweater. Luckily, Darwin has a plan! There are plenty of free sweaters just waiting to be found in the sewer. Use Bobert's mechanical arm to slingshot your way around the sewers of Elmore. Collect coins and retrieve a box full of new sweaters! Gumball games are only on Cartoon Network.