In Spying on Dirty Grandparents, Joseph Madders (James Caan) plays the seventeen-year-old grandson of a pair of overworked secret agents. The grandparents, Philip and Elizabeth, struggle to shield their children from the adult world while pursuing their own careers. Last season, they accidentally revealed their true identities to their daughter, causing the whole family to fall out of love. This time, Joseph aims to save his grandma's life by snooping around..