Troy Doherty

Jess invites Paul, a music teacher from her school that she's always had a crush on, to the gang's big Thanksgiving dinner, which naturally goes horribly awry.

A series of strangulations leads the team to look for a killer who keeps mementos of his victims and Rossi's favourite bar is in danger of closing.

Randall and Kate look back on their differing childhood memories. Meanwhile, Kevin tries to lend Nicky a hand.

Mike is scared when Molly's boss asks him to attend a party on Halloween, the one holiday he is afraid of.

Members of the team go undercover at a university in order to track a hacker who is putting the world economy at risk. Walter conducts an experiment to prove that Ray's partner's death was not his fault.