- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
The fifth planet of an otherwise unspecified Gamma Quadrant star where energy spheres are discovered by the exploring Klingon attack cruiser Toh'Kaht. Their telepathic archive of a mutiny caused its destruction and nearly that of Deep Space Nine.