Where's Huddles? (1970)

Season 1: Episode 5

Hot Dog Hannah, an elderly snack vendor at the football stadium, is actually rich from investing in real estate and hides her huge fortune in her mattress. But since she lives in a shack at the city dump, everyone, including Ed and Bubba think that she is destitute. With good intentions, they fix up her shack and replace her mattress. Learning their mistake, the boys begin a scavenger hunt to find Hannah's fortune before she sues them.