Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
NCIS Season 21 Episodes
Season 21 Episode Guide
10 Episodes 2024 - 0
Episode 1
Algún Día
Mon, Feb 12, 2024 60 mins
The NCIS team must help Torres when he puts his future at stake by confronting the man who tormented his family when he was a child.
Episode 2
The Stories We Leave Behind
Mon, Feb 19, 2024 60 mins
As NCIS mourns the loss of Ducky, the agents find comfort in working on one of his unfinished cases involving a woman whose father was dishonorably discharged from the Marines.
Episode 3
Lifeline
Mon, Feb 26, 2024 60 mins
When the NCIS team engages in Walk-a-Mile day to gain a new perspectives on different departments, things take a turn when Kasie receives a distress call from a mysterious man.
Episode 4
Left Unsaid
Mon, Mar 4, 2024 60 mins
The NCIS team races to find a missing officer who disappeared during his wedding proposal.
Episode 5
The Plan
Mon, Mar 25, 2024 60 mins
With the help of Knight's dad, Special Agent in Charge Feng Zhao , NCIS works to unravel the mystery of a recently used service weapon belonging to a missing agent.
Episode 6
Strange Invaders
Mon, Apr 1, 2024 60 mins
After uncovering a naval pilot's body with odd wounds, NCIS' investigation leads the crew down the rabbit hole of UFO conspiracy beliefs.
Episode 7
A Thousand Yards
Mon, Apr 15, 2024 60 mins
NCIS comes under attack by a mysterious enemy from the past. Also, Vance tries to mend fences with his estranged son by explaining why, despite the ongoing dangers of his job, he still chooses to stay at NCIS.
Episode 8
Heartless
Mon, Apr 22, 2024 60 mins
The NCIS team looks for a motive behind the kidnapping and death of a famous heart surgeon.
Episode 9
Prime Cut
Mon, Apr 29, 2024 60 mins
After discovering the remains of a Marine captain, the NCIS team travels to Texas to interrogate the suspected killer.
Episode 10
Reef Madness
Mon, May 6, 2024 60 mins
Parker and Knight find three bodies in an old Navy ship that is about to be turned into an artificial reef; Vance gives Knight a bizarre chance when they get locked in.