Star Trek (1966–1969)
19 user 4 critic

The Tholian Web 

With Capt. Kirk and the derelict USS Defiant apparently lost, the Enterprise grapples with an insanity causing plague and an attack by the Tholians.


Herb Wallerstein


Gene Roddenberry (created by), Judy Burns | 1 more credit »

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Episode complete credited cast:
William Shatner ... Capt. Kirk
Leonard Nimoy ... Mr. Spock
DeForest Kelley ... Dr. McCoy
James Doohan ... Scott
George Takei ... Sulu
Walter Koenig ... Chekov
Nichelle Nichols ... Uhura
Majel Barrett ... Nurse Chapel
Sean Morgan Sean Morgan ... Lt. O'Neil


Kirk and the derelict starship Defiant vanish into a spatial interphase between universes. To rescue him, Spock must maintain position despite a growing, violent hysteria aboard the Enterprise, like that which destroyed the Defiant's crew, as well as a force field being laid around the Enterprise by Tholian patrol ships. Written by Tom D.

Plot Summary | Add Synopsis


TV-PG | See all certifications »


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Release Date:

15 November 1968 (USA) See more »

Company Credits

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Technical Specs


Sound Mix:




Aspect Ratio:

1.33 : 1
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Did You Know?


This is the first time we see Lt. Uhura's quarters in the broadcast order. The first time via production order is in Star Trek: Elaan of Troyius (1968), when the room was occupied by Elaan, Dolman of Elas, on the way to her wedding. See more »


We don't know anything about what Kirk experienced when he was trapped in limbo. It seems as though his ghostly appearance was a way of him trying to break through the barrier to either warn or call for help. When he's seen on the bridge, he is soundlessly mouthing something directly to Spock. However, all this goes completely unacknowledged by the end of the episode, even by Kirk himself. He somehow knew he was to be declared dead because he mentions the last taped orders. See more »


Mr. Spock: [regarding the development of an antidote] The urgency requires your personal attention in the laboratory.
Dr. McCoy: My staff is working around the clock. My being there will not affect the biochemistry of any of the tests. This service requires my personal attention, Mr. Spock.
See more »


Referenced in Star Trek: Enterprise: In a Mirror, Darkly (2005) See more »

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User Reviews

isolate the cause..
11 June 2018 | by merelyaninnuendoSee all my reviews

Star Trek

A cultural hub and by far one of the most loved and respected tale, Star Trek is created by Gene Roddenberry who wrote this brilliant concept, ahead of its time and is probably why it still doesn't fail to entertain us after these many years. It was written "for the future" in many aspects as it even though is smarter, wiser and powerful it still seeks for emotion and the force that binds it all. The relation between Spock and Kirk; despite of its premise, is the most human thing in this majestic tale where the adventures are endless. Encountering this original series, at this stage makes the execution look petty and a bit loose (the small technical aspects can be negotiated) but the writing is smart, gripping and hence completely overpowers it. The series didn't seem to mature as it should have but definitely has improved on terms of implementing smarter approach, parallel plot lines and thought provoking concept.

Season 03

Contrary to expectations, second season failed to project the essential character development which would have give a perfect arc to the series and instead focused on different cases. In this final season the expectations are still higher as they have somehow glued their audience with their gripping screenplay and innovative imagination that doesn't flinch on pushing the boundaries.

The Tholian Web

The material and the characters that are focused in here is exhilarating and new and addition to that the verbal sparring and the conflicts among the crew members once again proves the excellence in writing and helps redefine the genre.

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