Gumball and Darwin are confused when they meet Kiki and Quack, a pair of siblings that copy everything they do and say; Gumball and Darwin find out this copycat family is making money online from imitating the Watterson family.

Nicole tries, and fails, to hide her disappointment when Richard and the kids fail to remember her special day; Richard has to figure out what special day he has actually forgotten and then make it a day to remember or else.