Patrick O'Connor

On a trip to the zoo, the family bump into one of Lois's old boyfriends, who lectures on rain-forest wildlife. Malcolm and Dewey get trapped in a tiger pen, and Reese goes head-to-head with a goat.

The son of a once wealthy family is found dead in Central Park. As Castle and Beckett are working on the investigation his friends are trying to stop them.

Jan sues Dunder Mifflin, and Michael is deposed as a witness. Kelly trash-talks Pam after Darryl beats Jim at ping-pong.

The team investigates a suspect who is abducting women due to an obsession; Hotch has a difficult time going back to work.

The guys struggle to find funding for Pied Piper's video chat app to keep up with their rapidly growing user base. Erlich faces resistance from Big Head's father and Jack steps on Gavin's toes at Hooli.

The guys are terrified when Vince embraces an old friend and ex-con as one of their own. Meanwhile, Ari panics when his daughter befriends a budding movie star.