NCIS: Season 21
Season 21 Lore Primer
Key plot threads, lore context, and character stakes you need to remember before diving into this season.
- Picks up essential narrative continuity directly following the events of NCIS Season 20.
- Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
- Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
- Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
Episode Guide
Season 21 Progress Shield
Algún Día
Feb 12, 2024 · 43 min
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.
The Stories We Leave Behind
Feb 19, 2024 · 44 min
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.
Lifeline
Feb 26, 2024 · 44 min
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.
Left Unsaid
Mar 4, 2024 · 42 min
The NCIS team is in a race against time to find a missing officer who disappeared during his wedding proposal.
The Plan
Mar 25, 2024 · 44 min
With the help of Knight's dad, NCIS works to unravel the mystery of a recently used service weapon belonging to a missing agent.
Strange Invaders
Apr 1, 2024 · 43 min
After discovering a Navy pilot's body riddled with unusual wounds, NCIS' investigation draws the team into the rabbit hole of UFO conspiracy theories.
A Thousand Yards
Apr 15, 2024 · 43 min
NCIS comes under attack by a mysterious enemy from the past.
Heartless
Apr 22, 2024 · 44 min
The NCIS team looks for a motive behind the kidnapping and death of a famous heart surgeon.
Prime Cut
Apr 29, 2024 · 44 min
After discovering the remains of a Marine captain, the NCIS team travels to Texas to interrogate the suspected killer.
Reef Madness
May 6, 2024 · 44 min
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.