NCIS: Season 4, Episode 9

Twisted Sister (21 Nov. 2006)
"NCIS: Naval Criminal Investigative Service" Twisted Sister (original title)

TV Episode  |  TV-14  |   |  Action, Comedy, Crime
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Ratings: 7.9/10 from 362 users  
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At 02:30 Tim's little sister, Sarah, shows up at his pad, saying that she thinks that she's killed someone (a Navy seaman). Gibbs and the gang find much circumstantial evidence implicating her, but they solve it and nab those responsible.



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Episode cast overview:
Officer Samuel Tate
Jordan Block
Amber Vasquez ...


At 02:30 Tim's younger sister, Sarah, covered with human blood, shows up at the door of his pad, saying that she thinks that she's killed someone; he sends the office an e-note, saying that he's sick, then he starts to look into it. Gibbs and the rest of the gang investigate the death of a Navy seaman, from USS Enterprise, on the campus of the same university where Sarah attends; Ziva finds 10 more bodies. A phone call becomes troublesome for Tim, Gibbs, and Sarah; Tim feels strong conflicts of interest and of loyalty. Abby finds the weapon, and Gibbs questions Sarah. Abby makes a crucial discovery, then the gang solve the case and nab the people responsible. Written by DocRushing

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Release Date:

21 November 2006 (USA)  »

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Aspect Ratio:

1.33 : 1
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Did You Know?


Troian Bellisario plays McGee's younger sister. In real life, she and Sean Murray are step siblings. See more »


In the scene where Special Agent Gibbs is interviewing the female college student in her dorm room, the young woman shows Gibbs a picture of her boyfriend in Bahrain. The picture shows a sailor, in uniform, in front of a mosque. Military members are not allowed to go off base in their uniforms in Bahrain and there are no mosques on the base. See more »


Special Agent Timothy McGee: [to Gibbs] I'd apologize, but I know how you feel about apologies.
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References Dead Man Walking (1995) See more »


Psych Ward Breakout
Written by Dominic Kelly
Performed by Dominic Kelly
Courtesy of Screw the Pooch ASCAP
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User Reviews

Nepotism is successful
30 August 2011 | by (New York, New York) – See all my reviews

TWISTED SISTER is an entertaining "gimmick" episode of NCIS, that remains enjoyable 5 years later. Casting of producer's daughter and Sean Murray's step-sister as his younger sister Sarah works quite well.

That's the jumping off point for the key gimmick: putting Murray as McGee on the spot: sis shows up on his doorstep all bloody, half-amnesiac and thinking she's murdered someone. As McGee naturally tries to protect her, his status as government agent is in jeopardy since his team is investigating the case where she is clearly the prime suspect.

Entire cast is convincing in dealing with this extreme situation, including bosses Mark Harmon and Lauren Holly who must make critical decisions regarding McGee. Of course, the closure of episodic TV irons everything out by episode's end, but I was captivated by McGee (and sis) facing seemingly insurmountable problems.

Troian Bellisario, who dad had been putting in his TV series as far back as 15 years earlier (when she was just 5) in "Quantum Leap", is quite effective as a still unseasoned actress challenged with a nearly unplayable role, and she does team up convincingly with Murray. All in all, a tricky segment pulled off nicely.

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