- 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
Class M but with no sign of native lifeforms, according to previous long-range scans, it is found to be one of several defensive outpost planets (perhaps the most distant) of the long-extinct Tkon Empire. Its force field, energy-draining weapon, and automated "guardian" are amazingly still functional.