René Ashton

Rossi and the team present one of the longest-tenured serial killer cases to college students, and they take the class through a nearly 20-year chase for the murderer. Mackenzie Astin guest stars.

Russell (David Spade) finds the unexpected reason behind his negativity towards the holidays. Adam’s (Oliver Hudson) gift for Jennifer (Bianca Kajlich) goes missing and he is forced into some uncomfortable situations in order to get it back. Meanwhile Audrey (Megyn Price) tries too hard to impress the guests at Jeff’s (Patrick Warburton) office holiday party.

When Secretary of the Navy Sarah Porter (Leslie Hope) learns her daughter has been kidnapped, the NCIS team partners with the FBI to track the case, determine a motive and bring her home. Also, McGee's childhood friend, NCIS Special Agent Valerie Page (Christina Chang), is in town to assist the team with advance tactics training. Joe Spano returns as Senior FBI Agent T.C. Fornell.

Naomi refuses to talk about anything personal with Addison or Sam since Sam has taken over the practice; Sam institutes a board to keep track of everyone's patients.

Ray finds himself in a holding pattern waiting to see if Belikov will be released from prison and struggling with the prospect of putting a pimp back out on the street. Art dealer, Sonia Kovitsky, invites him to a breast cancer benefit where he encounters some former clients and becomes further entrenched in her operation. As Teresa spirals into a postpartum depression, Bunchy relies on Abby to care for Maria leading up to the baptism. Meanwhile, Mickey goes to great lengths to convince the DA that he was the sole architect behind the Minassian massacre.