- 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
Planet: Thasus. An advanced, intelligent, noncorporeal race of beings, first encountered on stardate 1533.6 when they made contact with Captain Kirk to retrieve a young humanoid they had given special powers to.