Original air date: 09/20/2016 Runtime: 41:48 min. The NCIS team investigates a deadly car explosion in D.C. that connects to NCIS Special Agent Nicholas "Nick" Torres (Wilmer Valderrama), who disappeared six months ago while on a deep undercover assignment in Argentina. Also, Gibbs asks NCIS Special Agent Alexandra "Alex" Quinn (Jennifer Esposito) to shadow his team after rejecting eight agents she instructed and referred for the open position.
Original air date: 10/04/2016 Runtime: 42:28 min. When the NCIS team investigates a marine sergeant's tragic fall from a building, her doctor, Grace Confalone (Laura San Giacomo), confides in Gibbs and suggests he treat it as a murder investigation. Also, Torres searches for a place to live.
Original air date: 10/11/2016 Runtime: 42:17 min. After the body of a navy lieutenant is discovered aboard a destroyer during a tiger cruise, when civilian guests are allowed to spend the night on the ship, Gibbs, Quinn and Palmer travel out to sea to investigate. Also, McGee contemplates the perfect proposal for Delilah Fielding (Margo Harshman).
Original air date: 10/18/2016 Runtime: 41:28 min. When a missing MI6 Officer is linked to a murdered petty officer, Gibbs sends Quinn and Bishop to Philadelphia to work with MI6 Officer Clayton Reeves (Duane Henry). Also, Quinn painfully recounts the NCIS case that made her leave field work. Tony Gonzalez, former NFL player and studio analyst for "The NFL Today," guest stars as NCIS Special Agent Tony Francis.
Original air date: 10/25/2016 Runtime: 41:52 min. After a kidnapped petty officer escapes her captor, NCIS uncovers a connection to her missing husband. Also, Abby knits the NCIS newbies personalized gifts. Tony Gonzalez, former NFL player and studio analyst for "The NFL Today," guest stars as NCIS Special Agent Tony Francis.
Original air date: 11/15/2016 Runtime: 43:25 min. Torres boldly breaks protocol when he learns a witness in an NCIS case is wanted by U.S. Immigration and Customs Enforcement. Also, Abby, Bishop and McGee woo landlord Tony DiNozzo Sr. (Robert Wagner) in the hope of subletting Tony's apartment.
Original air date: 11/22/2016 Runtime: 43:02 min. After NCIS Agent Bishop is sent to Gitmo to gather evidence for a Navy chaplain murder case, she questions her previous work at the NSA. Also, Bishop's brothers, John and Robert (Jesse Bradford and Jesse Johnson), visit for the Thanksgiving holiday and pester her co-workers to find out who she is dating.
Original air date: 12/13/2016 Runtime: 43:07 min. After the NCIS team tracks evidence from the murder of a Navy captain to Ducky's deceased mother, Ducky looks back and questions a pivotal life choice he made 37 years ago. Also, the team exchanges holiday gifts, and Gibbs spends Christmas dinner with Fornell.
Original air date: 01/17/2017 Runtime: 42:15 min. After Gibbs spots the brother of an "NCIS Most Wanted" suspect, he immediately assumes his former alias and goes undercover with their infamous anti-government militia. Also, Bishop and Reeves partner on an off-the-books investigation.
Original air date: 02/07/2017 Runtime: 43:19 min. The murder of a Petty Officer in a small town outside D.C. prompts NCIS to once again work with "The Sherlocks," a privately funded investigative team that includes their newest member, Anthony DiNozzo, Sr. (Robert Wagner). Richard Riehle returns as Walt Osorio, Jessica Walter returns as Judith McNight and Todd Louiso returns as Lyle Waznicki, all members of "The Sherlocks."
Original air date: 02/14/2017 Runtime: 41:05 min. After Abby's homeland security think tank is compromised and she is found in possession of a real bomb, the NCIS team discovers the leader of the group has been murdered and a theoretical terror playbook has been stolen. The conclusion of this episode (Pandora's Box, Part II) is available on the playlist for NCIS: New Orleans (Season 3).