Married... with Children S05E05 - The Dance Show

Married... with Children (1987)
S05E05 The Dance Show
Episode Overview
Al is fine with Peggy spending her evenings at the ballroom dance hall with Marcy, enjoying herself and dancing with a charming guy named Andy. However, things take a turn when another man, Pete, approaches Al and reveals that Peggy is actually involved with his wife’s husband—her own.