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Counselor Troi is held captive on a deserted planet by a slick, black, oily, sentient and immortal puddle of evil.


Joseph L. Scanlan


Gene Roddenberry (created by), Joseph Stefano (teleplay by) | 6 more credits »





Episode complete credited cast:
Patrick Stewart ... Capt. Jean-Luc Picard
Jonathan Frakes ... Cmdr. William Riker
LeVar Burton ... Lt. Geordi La Forge
Denise Crosby ... Lt. Tasha Yar
Michael Dorn ... Lt. Worf
Gates McFadden ... Dr. Beverly Crusher
Marina Sirtis ... Counselor Deanna Troi
Brent Spiner ... Lt. Cmdr. Data
Wil Wheaton ... Wesley Crusher
Mart McChesney Mart McChesney ... Armus
Ron Gans Ron Gans ... Armus (voice)
Walker Boone Walker Boone ... Leland T. Lynch
Brad Zerbst Brad Zerbst ... Nurse
Raymond Forchion ... Ben Prieto


Counselor Troi is held captive on a deserted planet by a slick, black, oily, sentient and immortal puddle of evil.

Plot Summary | Add Synopsis


TV-PG | See all certifications »

Did You Know?


This is the third episode in a row where Commander Riker is immobilized by an alien being. The others are Star Trek: The Next Generation: The Arsenal of Freedom (1988) and Star Trek: The Next Generation: Symbiosis (1988) See more »


When starting up the warp engine, Lt. Cmdr. Lynch sets the ratio for the matter-antimatter injectors at 25:1; yet, in Star Trek: The Next Generation: Coming of Age it was established that there is only one ratio with matter-antimatter - 1:1. See more »


Lt. Tasha Yar: [her final words] Death is that state in which one exists only in the memory of others, which is why it is not an end. No goodbyes. Just good memories. Hailing frequencies closed, sir.
Capt. Picard: Au revoir, Natasha.
See more »


Referenced in Star Trek: Lower Decks: Temporal Edict (2020) See more »


Star Trek: The Next Generation Main Title
Composed by Jerry Goldsmith and Alexander Courage
See more »

User Reviews

The ooze creature
19 May 2020 | by bkoganbingSee all my reviews

When the Enterprise answers a distress call from a downed shuttlecraft that was carrying Deanna Troi and another crew member the away team finds itself on a barren planet inhabited a creature made of primordial ooze named /armus. It has an intelligence that is directed at sadism and cruelty.

Unfortunately they lose one of the cast regulars as the creature kills Denise Crosby. Patrick Stewart engages in quite the battle of wits with it until they figure out how and when to beam up their crew. When is most important here as you'll discover.

A nice memorial service for Tasha Yar concludes the episode.

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Official Sites:

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English | French

Release Date:

23 April 1988 (USA) See more »

Company Credits

Production Co:

Paramount Television See more »
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Technical Specs


Sound Mix:




Aspect Ratio:

1.33 : 1
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