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The Amazing World of Gumball - Season 1 - Episode 22
The Amazing World of Gumball - The Secret
About this "The Amazing World of Gumball" episode:The Amazing World of Gumball - The Secret is the 22nd episode of the series. It was aired on September 26, 2011.
In this episode, when Gumball discovers that Darwin is hiding a terrible secret that is about him, he vows to do whatever it takes to find out what it is.