After years in a mental hospital, Megan goes home to visit her brother. But once she arrives her brother has vanished and no one in town remembers him ever existing. Is Megan losing her mind, or is something more diabolical at work?
Stewie finally says his first word - and it's a swear, leaving Lois shunned by the other moms, so she tries to figure out where Stewie could've heard it.