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NCIS
Season 9 • Episode 17 • Need to Know
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NCIS Season 9, Episode 17: Need to Know
Top-secret clearance from a Naval research laboratory is jeopardized when the murder of a Chief Petty Officer is connected to an international arms dealer. Watch NCIS Season 9, Episode 17 Need to Know in HD free online. Enjoy high-quality streaming of NCIS Season 9, Episode 17 and share your thoughts in the comments below!
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Episodes
24 episodes
Nature of the Beast
Gibbs and the NCIS team have to find answers regarding Tony's months-long assignment when an NCIS agent is found dead.
44 min
Restless
The NCIS team uncovers a startling surprise after a young Marine shows up to his homecoming party with a fatal stab wound.
44 min
The Penelope Papers
The line between McGee's personal and professional life is blurred when NCIS uncovers a connection between his grandmother and the murder of a Navy Lieutenant.
43 min
Enemy on the Hill
The NCIS team searches for the person and motive behind a contract killer targeting a Navy Lieutenant Commander.
43 min
Safe Harbor
When a coast guard officer is gunned down on a cargo vessel, the NCIS team searches for the killer, but finds a Lebanese family seeking refuge on American soil.
43 min
Thirst
An NCIS case changes from accidental death to murder when evidence reveals that a Navy Lieutenant died of forced over-hydration.
42 min
Devil's Triangle
The NCIS team searches for answers when the current husband of both Gibbs' and Fornell's ex-wife is suspiciously kidnapped.
42 min
Engaged (1)
The NCIS team uncovers a discrepancy with DNA remains when investigating the crash of a military plane that had been transporting caskets.
43 min
Engaged (2)
As the NCIS team continues its search for a missing Marine, Gibbs and Ziva travel to her last known whereabouts in Afghanistan.
44 min
Sins of the Father
After Anthony DiNozzo, Sr. is found in a car with a dead body in the trunk and no memory of the previous night, the NCIS team must figure out if he is capable of murder.
43 min
Newborn King
When a Navy Captain is killed in a hotel room, NCIS must track down and protect his very pregnant companion from unknown assailants.
43 min
Housekeeping
An investigation into the murder of a Navy Commander leads the NCIS team to E.J. Barrett’s whereabouts.
43 min
A Desperate Man
When a Navy Lieutenant Commander is found dead in a building under construction, NCIS must search for a killer while dealing with interruptions from her distraught detective husband.
43 min
Life Before His Eyes
During a routine stop for his morning coffee, Gibbs finds himself staring down the barrel of a gun, forcing him to question choices he has made in the past and present.
44 min
Secrets
When a Navy Captain is found dead with an unusual costume hidden under his uniform, NCIS uncovers a secret society of real-life super heroes and must track down the villain.
41 min
Psych Out
Gibbs clashes with Dr. Samantha Ryan over the truth behind a Navy reservist's possible suicide.
43 min
Need to Know
Top-secret clearance from a Naval research laboratory is jeopardized when the murder of a Chief Petty Officer is connected to an international arms dealer.
41 min
The Tell
The Secretary of the Navy partners Gibbs with Dr. Samantha Ryan after top secret information is leaked by someone on the inside.
44 min
The Good Son
A case hits close to home when the lead suspect in the murder of a Petty Officer is Director Vance's brother-in-law.
43 min
The Missionary Position
Following the murder of a Marine, Tony and Ziva join Ziva’s longtime friend and mentor in Columbia in a search for a missing Marine Lieutenant and Navy Chaplain.
43 min
Rekindled
After a warehouse fire reveals missing Navy documents, posing a potential threat to national security, the NCIS team joins the Baltimore P.D. investigation, reuniting Tony with a boy from his past.
43 min
Playing with Fire
The NCIS investigation of a fire on a Navy vessel reveals evidence that elevates security at all U.S. Navy facilities worldwide.
41 min
Up in Smoke
The NCIS team analyzes what secrets could be in the hands of a terrorist targeting the Navy when a high-tech bug is found inside a probationary agent’s tooth.
41 min
Till Death Do Us Part
Terrorism shakes the foundations of the Navy and NCIS to such an extent that Gibbs and the team face surprises that will devastate them.
44 min