The NCIS team investigates an F-18 crash and the subsequent disappearance of the pilot; McGee reluctantly discusses a very personal decision with his teammates.

Gibbs and Fornell's crusade to find the head of the drug ring responsible for Fornell's daughter Emily's overdose comes to a climax. Also, Gibbs and Vance finally let the team in on a case that has dangerous implications.

The team investigates a cyclist killed in a hit and run. Gibbs prepares to testify against a financial advisor who stole millions from his Navy clients.

NCIS investigates the unexpected death of a Navy reservist who was an investigative journalist. Also, Knight and Jimmy’s budding romance is put on hold when a vital organ transfer goes fatally wrong.

Special Agent Alden Parker is still on the run with his ex-wife Vivian, so the team investigates who from his past might have a personal vendetta against him in hopes of clearing Parker's name.

The crossover continues on NCIS: Hawai'i S02E01 Prisoners' Dilemma (II).

The NCIS team jumps into motion to investigate who is responsible for a potential bioterror attack at a strip mall parking garage; Knight's father deals with a health scare while in Japan.

NCIS works to solve the murder of a senator’s daughter who has a rebellious reputation and large online following. Also, Jimmy gets competitive with an old college rival.

NCIS works with the CIA to discover what secrets are being kept by Captain Butler, an elderly former spy with dementia.