Malcolm in the Middle (2000)

S5E6 Malcolm's Job

Malcolm lands a job at the drugstore loading dock under Lois, only to be taken aback when he discovers that she smokes. She makes him swear to keep it a secret, but then she turns around and reprimands him for a minor infraction. Meanwhile, Dewey decides to escape to the Ranch to stay with Francis, expressing his frustration with Reese and Malcolm. Hal is preoccupied as well, covertly placing bets and entering Jaime in baby contests.