The Amazing World of Gumball

The Amazing World of Gumball (known also as Gumball) is a British–American animated television series created by Ben Bocquelet for Cartoon Network. The series revolves around the life of Gumball Watterson, a 12-year-old cat who attends middle school in the fictional city of Elmore. Accompanied by his adoptive goldfish brother Darwin, he frequently finds himself involved in various shenanigans around the city, during which he interacts with his other family members—sister Anais and parents Nicole and Richard—and an extended supporting cast of characters.

The Refund (Season 1, Episode 18)
In one of the many ways Gumball and Darwin try to get a refund from Larry, they use a pocket watch to hypnotize him to change his mind.

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