A nuclear explosion in the Pacific reignites the search for stolen nuclear weapons and prompts Hetty to shuffle the NCIS: LA partnerships, sending Callen and Kensi overseas and leaving Sam and Deeks teamed up state side.
Guest stars
Miguel Ferrer
Owen Granger
Aunjanue Ellis-Taylor
Michelle Hanna
Pasha D. Lychnikoff
Michael Zirov
Christopher Lambert
Marcel Janvier
Timothy V. Murphy
Isaak Sidorov
Alon Aboutboul
Naseem Vaziri
Kym Jackson
Maya Yerzov
Massi Furlan
Mikhail Andros
Natasha Alam
Veronica Pisconov
Marco Rodríguez
Professor Rodrigo Tamariz
Zylan Brooks
Bank Manager
Fahim Fazli
Iranian Guard
All episodes — Season 4
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S4 E1Endgame
Sep 25, 2012844 min
Following Callen’s public shooting of the Chameleon, all is not well with the NCIS: LA team, as Callen is placed on suspension and Hetty adjusts to retired life.
S4 E2Recruit
Oct 2, 201244 min
A drone strike on a bomb-making compound in Afghanistan reveals the body of a recently retired Marine, leaving the NCIS: LA team to investigate why the Marine returned to Afghanistan and whether or not he betrayed the country he fought for.
S4 E3The Fifth Man
Oct 9, 201243 min
The NCIS: LA team investigate a compromised intel operation after four people connected to the classified project are killed at a diner explosion. As Deeks and Kensi are on the trail of those involved, they learn that a wayward teenage girl
S4 E4Dead Body Politic
Oct 23, 201243 min
The NCIS: LA team investigates the tragic death of a U.S. senatorial candidate’s staffer who is run over crossing the street. The high-profile case becomes a matter of national security as the agents must determine whether it is an isolated
S4 E5Out of the Past (1)
Oct 30, 201244 min
When a CIA agent who worked with Sam Hanna over eight years ago seeks his help and is soon found dead of an apparent suicide, Hanna and Callen suspect foul play and a bigger conspiracy. Meanwhile, Deeks finds his inner “dog whisperer” with
S4 E6Rude Awakenings (2)
Nov 13, 201243 min
The NCIS: LA team continues their investigation behind the death of a CIA agent that leads to a dangerous ring of Russian super agents. In a race against time, Hanna risks having a secret exposed.