Gumball and Darwin are confused when they meet Chi Chi and Ribbit, a pair of siblings that copy everything they do and say. Then they find out this copycat family is making money online from imitating the Watterson family.
When everyone gives Gumball a cursed video game console, Elmore becomes trapped inside a fantasy RPG world. Gumball, Darwin and Anais have to battle their way through town, unraveling the secrets of their new virtual reality.