NCIS

Season 9 Episode 17

Need to Know

15
Aired Tuesday 8:00 PM Feb 28, 2012 on CBS
AIRED:
8.5
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Episode Summary

When a Chief Petty Officer with top-secret clearance to a Naval research laboratory is murdered, the investigation leads the NCIS team to an international arms dealer. Meanwhile, a probationary agent tries to impress Gibbs hoping to join his team.

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Mark Harmon

Mark Harmon

Special Agent Leroy Jethro Gibbs

Michael Weatherly

Michael Weatherly

Special Agent Tony DiNozzo

Cote de Pablo

Cote de Pablo

Special Agent Ziva David

Pauley Perrette

Pauley Perrette

Forensics Specialist Abby Sciuto

Sean Murray (I)

Sean Murray (I)

Special Agent Tim McGee

Rocky Carroll

Rocky Carroll

Director Leon Vance

Tamer Hassan

Tamer Hassan

Agah Bayar

Guest Star

Matt Jones

Matt Jones

Probationary Agent Ned Dorneget

Guest Star

Katia Winter

Katia Winter

Ava Baransky

Guest Star

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Trivia, Notes, Quotes and Allusions

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