Rene 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.

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.

Addison and Sam form a hostile takeover in order to bring the practice out of bankruptcy, while Violet's friendship with Cooper is on the brink of extinction.

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.

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.

Tessa becomes concerned when George lets himself go after his breakup with Dallas and calls on George's dad (guest star GEOFF PIERSON – Dexter, Boardwalk Empire) to help him move on, but his father's advice and blatant attempts rub George the wrong way. Meanwhile, Tessa discovers that Ryan (recurring guest star PARKER YOUNG) is coming home to visit and that he's bringing his new girlfriend. Recurring guest stars also include NATASHA LEGGERO as Nora, BRYSON BARRETTO as Victor Ha and LINDSEY SHAW (Pretty Little Liars) as June.