Capt. Kirk obsessively hunts for a mysterious cloud creature he encountered in his youth.

Director:

Writers:

(created by),
Reviews

Watch Now

With Prime Video

WATCH NOW
ON DISC

Photos

Edit

Cast

Episode complete credited cast:
...
...
...
Stephen Brooks ...
...
...
Jerry Ayres ...
...
...
Edit

Storyline

Captain Kirk is haunted by a creature from his past when conducting a mining survey on a planet. He first encountered it as a lieutenant aboard the U.S.S. Farragut and blames himself for freezing in a moment of crisis, causing the death of many crewmen. The creature is a cloud-like, gaseous being that lives on the red blood cells found in humans. Obsessed by his desire for revenge and to erase the memory of 11 years ago, he pursues the creature relentlessly, putting in jeopardy an assignment to collect essential medical supplies. Written by garykmcd

Plot Summary | Plot Synopsis


Certificate:

TV-PG | See all certifications »
Edit

Details

Official Sites:

Country:

Language:

Release Date:

15 December 1967 (USA)  »

Company Credits

Show detailed on  »

Technical Specs

Runtime:

Sound Mix:

Color:

Aspect Ratio:

4:3
See  »
Edit

Did You Know?

Trivia

This episode holds the record for Enterprise crew casualties. See more »

Goofs

As Kirk beams up after baiting the creature, his arms are raised and he is using his communicator with his left hand. As he materializes on the Enterprise, his arms are lowered and he is no longer holding his communicator. See more »

Quotes

Spock: It has changed course before to mislead us, Captain. Logic would dictate...
Capt. Kirk: [interrupting] No, I'm playing intuition.
See more »

Connections

Featured in Bring Back... Star Trek (2009) See more »

Frequently Asked Questions

This FAQ is empty. Add the first question.

User Reviews

 
Star Trek Horror
1 August 2006 | by (New York City) – See all my reviews

Obsession offers a very extraordinary antagonist--a "monster" that's an intelligent gas, made of an element that's not supposed to exist "naturally", and that's able to transform itself as a means of camouflage. Although there are some very broad parallels to this idea in other episodes, including Who Mourns for Adonais?, the material is handled very uniquely here.

We are also presented with an intriguing and unusual exploration of Captain Kirk's psychology, and through that, a bit of Starfleet history. Kirk is the source of the title, Obsession. He harbors deeply buried guilt, stemming from an incident on another ship when he was still a junior officer. His guilt suddenly rises to the surface after encountering this episode's antagonist. Because of this, he becomes obsessed with conquering the "monster", and it affects his judgments seriously enough that his command of the Enterprise is threatened.

As good as it was, the original Star Trek didn't often get close to more gut-level, scary horror material. This episode does, largely because the antagonist is unpredictable, shape shifting and nearly invisible much of the time. It functions as more of a generalized token of a threat to one's life force, made more literal in the way that the "monster" attacks its victims and sustains itself. At times, Obsession's structure and content--including emotional content, almost resemble later horror sci-fi like Alien (1979), which could have easily been influenced by it.

This episode is also notable for some extended, unusual cooperation and agreement between Spock and McCoy.


20 of 20 people found this review helpful.  Was this review helpful to you?

Contribute to This Page