Stewie finally says his first word, and it's a swear. When Lois is shunned by the other moms, she tries to figure out where Stewie could have possibly learned it.
Mr. Burns goes undercover as "Fred" at the nuclear power plant and becomes friends with Homer and the gang. Burns implements all sorts of amenities to improve his employees' lives, but a jealous Smithers plots to bring the old, bitter Burns back and destroy Fred.