Rich Man, Poor Man (1976)

S14E11 The Peanut Butter Kid

As the Griffins face dwindling finances, they search for ways to boost their income. Stewie lands a role in a peanut butter commercial and quickly becomes the family's main source of revenue. In the meantime, Lois and Peter turn into overzealous stage parents, while Brian steps in to help Stewie understand that a career in child acting isn't what he truly desires.