>

Watch Star Trek - Season 3 Episode 18 Online!:

Strange incorporeal aliens threaten the Memory Alpha station and the Enterprise.

Writing:
  • Gene Roddenberry

Stars:
Release Date: 1966-09-08
Seasons: 1 2 3
Metacritic: 8.2/10
TMDb: 8.0/10
  • Country: US
  • Language: English
  • Runtime: 50

Other episodes for this season

Spock's Brain
Episode 1 - Spock's Brain
The Enterprise Incident
Episode 2 - The Enterprise Incident
The Paradise Syndrome
Episode 3 - The Paradise Syndrome
And the Children Shall Lead
Episode 4 - And the Children Shall Le...
Is There in Truth No Beauty?
Episode 5 - Is There in Truth No Beau...
Spectre of the Gun
Episode 6 - Spectre of the Gun
Day of the Dove
Episode 7 - Day of the Dove
For the World Is Hollow and I Have Touched the Sky
Episode 8 - For the World Is Hollow a...
The Tholian Web
Episode 9 - The Tholian Web
Plato's Stepchildren
Episode 10 - Plato's Stepchildren
Wink of an Eye
Episode 11 - Wink of an Eye
The Empath
Episode 12 - The Empath
Elaan of Troyius
Episode 13 - Elaan of Troyius
Whom Gods Destroy
Episode 14 - Whom Gods Destroy
Let That Be Your Last Battlefield
Episode 15 - Let That Be Your Last Bat...
The Mark of Gideon
Episode 16 - The Mark of Gideon
That Which Survives
Episode 17 - That Which Survives
The Lights of Zetar
Episode 18 - The Lights of Zetar
Requiem for Methuselah
Episode 19 - Requiem for Methuselah
The Way to Eden
Episode 20 - The Way to Eden
The Cloud Minders
Episode 21 - The Cloud Minders
The Savage Curtain
Episode 22 - The Savage Curtain
All Our Yesterdays
Episode 23 - All Our Yesterdays
Turnabout Intruder
Episode 24 - Turnabout Intruder