SPOILER ALERT: Info about The Mentalist Episode 4x20
Episode 4.20 is called "Something's Rotten in Redmund."
Things head back to school in this episode, as a play of Hamlet descends into real life tragedy.
Could a young prostitute, a school gossip, a chubby teen or the school principal have some connection to the shocking events? You'll have to tune in to find out!