The Peanut Butter Kid is episode 11 of family guy season 14. It was originally aired on January 10, 2016.
When their bank accounts begin to run dry, the Griffins look for ways to make money. Stewie gets cast in a peanut butter commercial and becomes the money maker for the family. Meanwhile, Lois and Peter become crazy show business parents and Brian helps Stewie realize that he does not want to be a child actor.