Need to Know

Name: Need to Know
Genre: Comedy, Drama, Action & Adventure, Suspense
Released: February 28, 2012
Cast: Mark Harmon, Michael Weatherly, Sean Murray, Rocky Carroll, David McCallum

NCIS: Season 9: Episode 17

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NCIS

Episode Details & Credits

CBS | Air Date: February 28, 2012

Starring: Mark Harmon, Michael Weatherly, Sean Murray, Rocky Carroll, David McCallum, Pauley Perrette, Cote de Pablo

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.

Creator: Donald P. Bellisario and Don McGill

Genre(s): Comedy, Drama, Action & Adventure, Suspense

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Season 9 Episodes

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S9:E25. The NCIS Movie: War on Terror
Air Date: April 15, 2017
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S9:E24. Till Death Do Us Part
Air Date: May 15, 2012
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S9:E23. Up In Smoke
Air Date: May 8, 2012

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Seasons & Episodes

51

Series Overview
Season 23

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- Season 23 Overview
  Air Date: October 14, 2025
Season 22

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- Season 22 Overview
  Air Date: October 14, 2024
Season 21

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- Season 21 Overview
  Air Date: February 12, 2024
Season 20

tbd
- Season 20 Overview
  Air Date: September 19, 2022
Season 19

tbd
- Season 19 Overview
  Air Date: September 20, 2021
Season 18

tbd
- Season 18 Overview
  Air Date: November 17, 2020
Season 17

tbd
- Season 17 Overview
  Air Date: September 24, 2019
Season 16

tbd
- Season 16 Overview
  Air Date: September 25, 2018
Season 15

tbd
- Season 15 Overview
  Air Date: September 26, 2017
Season 14

tbd
- Season 14 Overview
  Air Date: September 20, 2016
Season 13

tbd
- Season 13 Overview
  Air Date: September 22, 2015
Season 12

tbd
- Season 12 Overview
  Air Date: September 23, 2014
Season 11

tbd
- Season 11 Overview
  Air Date: September 24, 2013
Season 10

tbd
- Season 10 Overview
  Air Date: September 25, 2012
Season 9

tbd
- Season 9 Overview
  Air Date: September 20, 2011
- tbd
  S9:E25. The NCIS Movie: War on Terror
  Air Date: April 15, 2017
- tbd
  S9:E24. Till Death Do Us Part
  Air Date: May 15, 2012
- tbd
  S9:E23. Up In Smoke
  Air Date: May 8, 2012
- tbd
  S9:E22. Playing With Fire
  Air Date: May 1, 2012
- tbd
  S9:E21. Rekindled
  Air Date: April 17, 2012
- tbd
  S9:E20. The Missionary Position
  Air Date: April 10, 2012
- tbd
  S9:E19. The Good Son
  Air Date: March 27, 2012
- tbd
  S9:E18. The Tell
  Air Date: March 20, 2012
- tbd
  S9:E17. Need to Know
  Air Date: February 28, 2012
- tbd
  S9:E16. Psych Out
  Air Date: February 21, 2012
- tbd
  S9:E15. Secrets
  Air Date: February 14, 2012
- tbd
  S9:E14. Life Before His Eyes
  Air Date: February 7, 2012
- tbd
  S9:E13. A Desperate Man
  Air Date: January 10, 2012
- tbd
  S9:E12. Housekeeping
  Air Date: January 3, 2012
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  S9:E11. Newborn King
  Air Date: December 13, 2011
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  S9:E10. Sins of the Father
  Air Date: November 22, 2011
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  S9:E9. Engaged, Part II
  Air Date: November 15, 2011
- tbd
  S9:E8. Engaged, Part I
  Air Date: November 8, 2011
- tbd
  S9:E7. Devil's Triangle
  Air Date: November 1, 2011
- tbd
  S9:E6. Thirst
  Air Date: October 25, 2011
- tbd
  S9:E5. Safe Harbor
  Air Date: October 18, 2011
- tbd
  S9:E4. Enemy on the Hill
  Air Date: October 11, 2011
- tbd
  S9:E3. The Penelope Papers
  Air Date: October 4, 2011
- tbd
  S9:E2. Restless
  Air Date: September 27, 2011
- tbd
  S9:E1. Nature of the Beast
  Air Date: September 20, 2011
Season 8

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- Season 8 Overview
  Air Date: September 21, 2010
Season 7

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- Season 7 Overview
  Air Date: September 22, 2009
Season 6

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- Season 6 Overview
  Air Date: September 23, 2008
Season 5

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- Season 5 Overview
  Air Date: September 25, 2007
Season 4

tbd
- Season 4 Overview
  Air Date: September 19, 2006
Season 3

tbd
- Season 3 Overview
  Air Date: September 20, 2005
Season 2

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- Season 2 Overview
  Air Date: September 28, 2004
Season 1

51
- Season 1 Overview
  Air Date: September 23, 2003