A science-fiction fan dressed as a superhero is murdered McGarrett receives a visit from a CIA agent interested in finding Yakuza.
The team must stop a vengeful bomber Danny's fun-loving brother (Dane Cook) visits unexpectedly.
An afternoon pleasure cruise turns into a nightmare when pirates attack and take hostages.
Horatio must fire a member of his team when the problems of that person taint the current investigation.
A nasty divorce gets worse when the husband's mistress turns up dead, and the body count continues to rise as the complicated relationship unravels.
On Christmas Eve, a boy is trapped in a beach-side cave, where the rising tide threatens his life the team races to find a way to save him.
Sylvester ends up in critical condition after accidentally triggering an explosion during an investigation the team must remain focused on finding the culprit.
The team must recover stealth technology from a military plane that was shot down in Bosnia Walter's sister visits with Sylvester at the garage.
Cabe's ex-wife needs the team's protection after she discovers evidence that suggests a prominent congressman's death involved foul play.
The team reopens a cold case when a stolen Navy-issue gun turns out to belong to a chief petty officer who died 40 years ago the team makes their annual Thanksgiving dinner together.
An armored transport bus crashes, resulting in the escape of four prisoners -- including a black market broker topping the list of national security threats Pride needs Gibbs' help with a case file full of redactions.
When a Navy lieutenant on liberty dies of bubonic plague, NCIS Special Agent Tony DiNozzo helps the New Orleans team as they try to control a potential outbreak and find the source of the infectious disease.
The team investigates the death of a petty officer whom Pride had mentored Brody searches for a place to call home.
On the eve of his wedding to Rita -- and Connor leaving for the Witness Protection Program -- Pride must track down who attacked Jimmy and Connor, while he navigates Sasha's ulterior motives regarding her son.
Pride and Rita plan their wedding the FBI arrests Connor in connection to the bar's firebombing.
Pride directs the team to link Sasha to the recent attacks in New Orleans Carter and Tammy search for a stolen highly trained military dog Pride and Rita make an important decision about their wedding.
The team investigates the deadly bar bombing and impending criminal turf war involving Sasha Broussard Pride must come to terms with having Connor in his life Carter and Hannah work to define their new relationship.
When a torpedo hits a fishing trawler at sea, the entire Gulf Coast is in jeopardy as Pride and NCIS race to find the submarine before it can strike again.
A musician -- who created a controversial algorithm to generate hit songs -- helps the team investigate the murder of a music blogger Drew seeks help connecting with his son.
Three convicts -- including a brilliant hacker -- escape from prison Paige tries to manage Ralph's expectations when his dad returns.