When Darwin has lunch with Idaho, he decides to stop eating potatoes in solidarity with his brotato. However, he finds his obsession with his favorite food harder to kick than he ever imagined so Gumball decides to help his friend curb his carb cravings.

The family goes to visit Richard's dad; Based on his basic living standards and extended absence from Richard's life, they assume Frankie must have done a stretch in the slammer.