Star Trek: Season 3, Episode 18

The Lights of Zetar (31 Jan. 1969)

TV Episode  -   -  Action | Adventure | Sci-Fi
Your rating:
    1 2 3 4 5 6 7 8 9 10 -/10 X  
Ratings: 6.2/10 from 614 users  
Reviews: 10 user | 2 critic

A mysterious, twinkling mass of sapient energy ravages an important archive and Scotty's new girlfriend may be linked to it.


(as Herb Kenwith)


(created by), , 1 more credit »
0Check in

Editors' Spotlight

IMDb at Comic-Con 2014

Follow our coverage of Comic-Con 2014, direct from San Diego July 23-27 in our Comic-Con section.

User Lists

Related lists from IMDb users

a list of 79 titles
created 19 May 2011
a list of 4666 titles
created 08 Jan 2012
a list of 79 titles
created 21 Apr 2013
a list of 79 titles
created 05 May 2013
a list of 423 titles
created 22 Jun 2013

Related Items

Connect with IMDb

Share this Rating

Title: The Lights of Zetar (31 Jan 1969)

The Lights of Zetar (31 Jan 1969) on IMDb 6.2/10

Want to share IMDb's rating on your own site? Use the HTML below.

Take The Quiz!

Test your knowledge of Star Trek.
« Previous Episode | 74 of 80 Episodes | Next Episode »





Episode complete credited cast:
Jan Shutan ...
John Winston ...
Libby Erwin ...
Rest of cast listed alphabetically:
Zetar (voice)


The Enterprise is on course to install new equipment on Memory Alpha, the central library storage facility for the Federation. Chief Engineer Scott has been working closely on the project with Lieutenant Mira Romaine with whom he has been forming a romantic attachment. The Enterprise encounters a space storm that kills the staff at Memory Alpha and possesses Lieutenant Mira Romaine. Written by laird-3

Plot Summary | Add Synopsis


See all certifications »


Official Sites:



Release Date:

31 January 1969 (USA)  »

Company Credits

Show detailed on  »

Technical Specs


Sound Mix:


Aspect Ratio:

1.33 : 1
See  »

Did You Know?


This episode was co-written by Shari Lewis and her husband Jeremy Tarcher. Lewis also lobbied to be cast in the guest role of Lt Romaine, but didn't get the part. See more »


When Spock is monitoring and increasing pressure in the pressure chamber, at one point the level is shown as "20 atmospheres." The next view of the gauge shows 30 A's, but the shot after that is back to 25 A's when it is supposed to be a constant increase. See more »


Capt. Kirk: Would either of you credit Scotty's steadfast belief in her as a factor?
Mr. Spock: You mean, love as motivation? Hmm. Humans do claim a great deal for that particular emotion.
See more »

Frequently Asked Questions

This FAQ is empty. Add the first question.

User Reviews

Pretty dull stuff
11 December 2006 | by (Bradenton, Florida) – See all my reviews

I read a book a few years ago by some insiders from the Star Trek show. It was fascinating to hear what they had to say about Roddenberry, Shatner and the whole experience. One of the things about the book that stood out in my mind was their opinion about the 3rd season. Although the show had almost been canceled early on and Gene Roddenberry instigated a letter-writing campaign to save the show, by the final season, they felt that Roddenberry had given up on the show and actually spend much of this season on other projects. This, they said, accounted for the often sub-par scripts used in them. And, looking back at it, season three had plenty of duds and plenty more only watchable episodes that were pretty easy to forget. This episode is one of the forgettable ones, as not a whole lot of energy is in it. There's a weird space killer that makes people talk in a goofy froggy voice and Scotty seems strangely attracted to a froggy-voiced lady that somehow has survived one of these attacks. That's it--the rest of it just isn't worth discussing, as it just seemed to go nowhere.

17 of 32 people found this review helpful.  Was this review helpful to you?

Message Boards

Recent Posts
Anyone else think Spectre of the Gun is one of the better episodes? soulaco2
Question about Shore Leave soulaco2
Was it a Mistake..? waddah-j
Name The Things... powersroc
Guest Stars who should have been CAST MEMBERS of Star Trek.............. BLACKsoapFan
The worst STAR TREK episode david-h-downing
Discuss The Lights of Zetar (1969) on the IMDb message boards »

Contribute to This Page

Create a character page for: