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The Best Episodes of NCIS Season 6

Every episode of NCIS Season 6 ranked from best to worst. Discover the Best Episodes of NCIS Season 6!

Binge this in 18h 15m•Peaking at 8.9/10

From murder and espionage to terrorism and stolen submarines, a team of special agents investigates any crime that has any connection to Navy and Marine Corps personnel, regardless of rank or position.

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Episode Rankings

  1. #1 Fan Favorite
    NCIS Season 6 Episode 4 - Heartland
    8.9/10(1424 votes)

    S6:E4

    When a murder investigation leads the team to Gibbs' hometown, secrets about his past are revealed.

    Director:Tony Wharmby
    Writer:Jesse Stern

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  2. NCIS Season 6 Episode 25 - Aliyah
    8.6/10(1054 votes)

    S6:E25

    Ziva's homecoming to Israel with Gibbs and the team is not a happy reunion with her father, the enigmatic and powerful head of Mossad. As tensions rise, Gibbs is forced to make a decision that sends shock waves through NCIS.

    Director:Dennis Smith
    Writer:David J. North

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  3. NCIS Season 6 Episode 8 - Cloak
    8.5/10(980 votes)

    S6:E8

    A strange delivery in a box arrives at a Navy facility. The delivery driver and a Navy MP officer discover it is a sailor's corpse.

    Director:James Whitmore Jr.
    Writer:Jesse Stern

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  4. NCIS Season 6 Episode 24 - Semper Fidelis
    8.4/10(948 votes)

    S6:E24

    After a security breach at the SecNav's residence leads to the death of an ICE agent, Gibbs and the team are forced to work with ICE and the FBI to find his killer.

    Director:Tony Wharmby
    Writer:Jesse Stern

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  5. NCIS Season 6 Episode 6 - Murder 2.0
    8.2/10(983 votes)

    S6:E6

    Gibbs and his team are searching for a cyber serial killer who takes videos of his victims. The team quickly finds out that the videos of the dead victims are false.

    Director:Arvin Brown
    Writer:Steven D. Binder

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  6. NCIS Season 6 Episode 9 - Dagger
    8.2/10(959 votes)

    S6:E9

    The team is forced to rely on information from questionable sources while trying to stop a criminal bent on stealing government secrets.

    Director:Dennis Smith
    Writer:Christopher J. Waild

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    The 20 BEST Episodes of NCIS

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  7. NCIS Season 6 Episode 1 - Last Man Standing
    8.1/10(1047 votes)

    S6:E1

    When a Petty Officer is found murdered, Gibbs learns about the mysterious connection between the disbanding of his team and the case.

    Director:Tony Wharmby
    Writer:Shane Brennan

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  8. NCIS Season 6 Episode 23 - Legend (2)
    8.1/10(947 votes)

    S6:E23

    With the appearance of Mossad agent Michael Rivkin, Tony is forced to question Ziva’s loyalty to NCIS.

    Director:James Whitmore Jr.
    Writer:Shane Brennan

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  9. NCIS Season 6 Episode 12 - Caged
    8.0/10(913 votes)

    S6:E12

    The NCIS team must uncover the truth behind the murder of a jail guard which resulted in a prison riot and McGee being held captive by the inmates.

    Director:Leslie Libman
    Writer:Alfonso H. Moreno

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  10. NCIS Season 6 Episode 22 - Legend (1)
    8.0/10(987 votes)

    S6:E22

    The body of a Marine leads Gibbs and McGee to the NCIS OSP division in Los Angeles, where a murder investigation quickly climbs to a matter of national security.

    Director:Tony Wharmby
    Writer:Shane Brennan

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  11. NCIS Season 6 Episode 11 - Silent Night
    7.9/10(961 votes)

    S6:E11

    During the week of Christmas, the NCIS team is forced to work overtime when they discover their prime suspect had been dead for 17 years.

    Director:Tony Wharmby
    Writers:Frank Cardea, George Schenck

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  12. NCIS Season 6 Episode 16 - Bounce
    7.9/10(878 votes)

    S6:E16

    A murder prompts the reopening of one of Tony's old investigations, leading Gibbs and DiNozzo to reverse roles to solve the case.

    Director:Arvin Brown
    Writers:David J. North, Steven D. Binder

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  13. NCIS Season 6 Episode 2 - Agent Afloat
    7.8/10(921 votes)

    S6:E2

    DiNozzo's investigation into a Navy Lieutenant's apparent suicide takes a surprising and deadly turn when it seems that it might have a connection to a larger, deadly scheme.

    Director:Thomas J. Wright
    Writer:David J. North

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  14. NCIS Season 6 Episode 7 - Collateral Damage
    7.8/10(866 votes)

    S6:E7

    A Navy bank has been robbed and NCIS is responsible for the investigation. One of the new recruits assigned to the fraud unit, Special Agent Dwayne Wilson, joins the team to help.

    Director:Terrence O'Hara
    Writer:Alfonso H. Moreno

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  15. NCIS Season 6 Episode 17 - South by Southwest
    7.8/10(883 votes)

    S6:E17

    When a fellow agent is murdered, the NCIS team head into the desert to locate a woman who might hold the answer to the mystery murder.

    Director:Thomas J. Wright
    Writers:Frank Cardea, George Schenck

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  16. NCIS Season 6 Episode 20 - Dead Reckoning
    7.8/10(824 votes)

    S6:E20

    Gibbs and the team must work with the shady Trent Kort to put away one of NCIS's most wanted.

    Director:Terrence O'Hara
    Writers:Christopher J. Waild, David J. North

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  17. NCIS Season 6 Episode 21 - Toxic
    7.8/10(797 votes)

    S6:E21

    When a government scientist goes missing, Abby is recruited to carry on his work, but the team worries that she may meet the same fate as her predecessor.

    Director:Thomas J. Wright
    Writer:Steven D. Binder

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  18. NCIS Season 6 Episode 13 - Broken Bird
    7.7/10(928 votes)

    S6:E13

    Secrets from Ducky's clandestine past come to the forefront after he's attacked at a crime scene.

    Director:James Whitmore Jr.
    Writer:Jesse Stern

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  19. NCIS Season 6 Episode 3 - Capitol Offense
    7.6/10(883 votes)

    S6:E3

    A distinguished senator asks Gibbs for help in solving the murder of a young female Naval officer.

    Director:Dennis Smith
    Writers:Frank Cardea, George Schenck

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  20. NCIS Season 6 Episode 5 - Nine Lives
    7.6/10(858 votes)

    S6:E5

    Gibbs' hunt for the killer of a Marine puts him on a collision course with an old friend.

    Director:Dennis Smith
    Writer:David J. North

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  21. NCIS Season 6 Episode 15 - Deliverance
    7.6/10(835 votes)

    S6:E15

    Demons of the past come back to haunt Gibbs when he finds a cryptic message waiting for him at a crime scene.

    Director:Dennis Smith
    Writers:Reed Steiner, Dan E. Fesman

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  22. NCIS Season 6 Episode 14 - Love and War
    7.5/10(821 votes)

    S6:E14

    The team discovers a link between a sergeant's murder and his possibly treasonous private life.

    Director:Terrence O'Hara
    Writers:David J. North, Steven D. Binder

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  23. NCIS Season 6 Episode 19 - Hide and Seek
    7.5/10(835 votes)

    S6:E19

    When a young boy finds a murder weapon, the team must trace ownership of the gun to find who used it last and who was murdered.

    Director:Dennis Smith
    Writer:Dan E. Fesman

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  24. NCIS Season 6 Episode 10 - Road Kill
    7.4/10(834 votes)

    S6:E10

    The team investigates the death of a Petty Officer and discovers he may have been leading a violent secret life.

    Director:Thomas J. Wright
    Writer:Steven Kriozere

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  25. NCIS Season 6 Episode 18 - Knockout
    7.0/10(913 votes)

    S6:E18

    The death of a boxer leads Vance to borrow the NCIS team and start investigating his death, while Gibbs digs into Vance's past.

    Director:Tony Wharmby
    Writer:Jesse Stern

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Season 6 Ratings Summary

"Heartland" is the best rated episode of "NCIS" season 6. It scored 8.9/10 based on 1424 votes. Directed by Tony Wharmby and written by Jesse Stern, it aired on 10/14/2008. This episode is rated 0.3 points higher than the second-best, "Aliyah".