Series 17

Series 17, Episode 3 - Going Mobile

3.0 13 x
The team investigates various locations a big rig visited before it was used to crush a Marine lieutenant to death so they can find a suspect and crime scene; Sloane pushes the team to take a moment to discuss Ziva's recent disappearance.

Series 17, Episode 2 - Into the Light

3.0 27 x
Gibbs and Ziva's lives are put in danger when their rogue investigation goes awry due to the discovery of a potential terrorist plot.

Series 17, Episode 1 - Out of the Darkness

4.0 58 x
Gibbs attempts to determine the meaning behind a cryptic warning from Ziva, which also makes him wonder why she has decided to return.
Series 16

Series 16, Episode 24 - Daughters

3.0 13 x
Tobias Fornell beseeches Gibbs to do whatever he thinks is necessary to stop local drug dealers after his daughter suffers an opiate overdose; Gibbs struggles with his personal connection to the case and his past with vigilante justice.

Series 16, Episode 23 - Lost Time

3.0 17 x
An unknown suspect takes the life of a Marine sergeant back home who was considered a war hero for the deeds he committed overseas; Gibbs seeks advice from Grace Confalone after he has an uncharacteristic emotional breakdown at a crime scene.

Series 16, Episode 22 - ...and Executioner

4.0 8 x
The NCIS team discovers a hidden bank account connected to the government that has been used to fund a network of vigilantes across America, which prompts them to investigate who is responsible for determining how the funds are used.

Series 16, Episode 21 - Judge, Jury...

4.0 9 x
After entering cold case DNA into the system, Kasie solves a 30-year old murder case, but a loophole in the legal system may set the suspect free. Also, McGee visits an elite technology company in Silicon Valley that is offering him a highly paid position.

Series 16, Episode 20 - Hail and Farewell

3.0 14 x
NCIS investigates the murder of a Marine Major, believed to have been killed in the 9/11 attack on the Pentagon, after human remains are discovered at a construction site. A personal history with the victim drives Gibbs to solve her crime.

Series 16, Episode 19 - Perennial

4.0 16 x
A figure from Sloane's past proves to be a valuable witness in the aftermath of an active shooter who took aim at a naval hospital and opened fire.

Series 16, Episode 18 - Mona Lisa

3.0 8 x
Torres relies on his team's skills after he wakes up on a dilapidated fishing boat, covered in blood and unable to remember the last 12 hours.