When Gumball and Darwin realize Grandpa Louie has no friends, they create one called Muriel, when Granny Jojo finds out Louie has been spending time online with another ``woman,'' Muriel not existing isn't going to stop her from being destroyed.

When Dad gives Larry's hairdresser a bad review for saying he's bald, Gumball and Darwin are inspired to go on a reviewing spree across town, forcing Larry to give them stuff with the threat of a bad review.