Season 21

1. Algún Día

February 12, 2024 · 43m

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.

2. The Stories We Leave Behind

February 19, 2024 · 44m

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.

3. Lifeline

February 26, 2024 · 44m

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.

4. Left Unsaid

March 4, 2024 · 42m

The NCIS team is in a race against time to find a missing officer who disappeared during his wedding proposal.

5. The Plan

March 25, 2024 · 44m

With the help of Knight's dad, NCIS works to unravel the mystery of a recently used service weapon belonging to a missing agent.

6. Strange Invaders

April 1, 2024 · 43m

After discovering a Navy pilot's body riddled with unusual wounds, NCIS' investigation draws the team into the rabbit hole of UFO conspiracy theories.

7. A Thousand Yards

April 15, 2024 · 43m

NCIS comes under attack by a mysterious enemy from the past.

8. Heartless

April 22, 2024 · 44m

The NCIS team looks for a motive behind the kidnapping and death of a famous heart surgeon.

9. Prime Cut

April 29, 2024 · 44m

After discovering the remains of a Marine captain, the NCIS team travels to Texas to interrogate the suspected killer.

10. Reef Madness

May 6, 2024 · 44m

Parker and Knight discover three bodies on an old Navy ship that's about to be sunk and turned into an artificial reef, when they're suddenly locked inside by a mysterious figure.