A Navy lieutenant, otherwise in perfect health, dies under mysterious circumstances; Gibbs and company investigate; the vic's sister disappears; a long-time friend of the siblings recently died. The gang figure it out and bust the killer.



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Episode cast overview, first billed only:
Dana Hutton
Maggie Reed
Captain Austin Sears
Rex Carhartt
Jason Drewe


A Navy lieutenant, otherwise in perfect health, dies in his car while madly trying to reach an emergency room at a hospital; Gibbs and company investigate; Tony gladly volunteers to interview the victim's sister, who's an attractive reporter on a cable news network; when he and Ziva arrive, they find that someone has tossed her pad. The sister has disappeared. The vic worked on a classified program at the Navy Info-ops Center (NIOC); Tony has a contact at the NIOC, so Gibbs asks him to use it. A long-time friend of the siblings recently died, supposedly by accident; Gibbs comments on the "coincidences". Palmer finds a key piece of evidence with a sinister implication, and Ducky finds another one. Ziva says that Tony has become obsessed with the sister; he eventually finds her; with her help the gang put the puzzle together. Gibbs and Ziva bust the killer. Written by DocRushing

Plot Summary | Plot Synopsis

Plot Keywords:

poison | false identity | See All (2) »





Release Date:

4 May 2010 (USA)  »

Filming Locations:

Company Credits

Show detailed on  »

Technical Specs


Sound Mix:


Aspect Ratio:

1.78 : 1
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Did You Know?


Gibbs' rule no. 10: Never get personally involved on a case. See more »


In several places the dialogue refers to Dana as an "executor"; however, a woman executor is properly called an "executrix". See more »


Ziva David: Tony, you know, you're getting way too old for these one night stands. Your biological clock is ticking.
Special Agent Anthony DiNozzo: Men don't have bilogical clocks. When I meet Ms. Right, I'll be ready to settle down.
Special Agent Jethro Gibbs: [Gibbs enters] Don't ever settle, DiNozzo.
See more »


References No Way Out (1987) See more »

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User Reviews

Obsessed With This Episode
11 September 2010 | by (Australia) – See all my reviews

'Obsession' revolves around Anthony DiNozzo (Michael Weatherly) display a more mature and emotional side of himself as he becomes 'obsessed' with Dana Hutton (Ashley Scott), A reporter for ZNN who's brother was murdered previously.

The score throughout the whole episode is absolutely beautiful and I would like to compliment Stefan Svensson on how it was one the most lovely pieces used throughout the series... It captured the emotions of the characters and kept the mood throughout the episode.

The episode is quite intriguing with a unique storyline which has the audience, both emotionally and excited, every single minute along the way. The case itself was very intriguing being quite different and the story Ducky tells us is quite interesting about the origin of which the weapon came from.

As in relation to the character, Anthony DiNozzo, a magnificent portrayal by Michael Weatherly is fulfilled to a high standard. The lighting used in those moments - where he's watching videos of Dana, wondering where she is and playing the piano is done - in a well manner to keep a gradual darkness of the emotional, mature side he is hiding deep down inside underneath. Some criticized his behavior as Out Of Character (OCC) but it tend to be a development of the character in my opinion.

Wonderful casting, brilliant acting, funny humor, intriguing storyline, beautiful score, new knowledge... It's a wonderful episode that I definitely recommend viewing!

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