- 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
Delta Quadrant homeworld to a humanoid race widely known for their hospitality, their love of literature, and a long-distance transporter dubbed a "subspace trajector."
Their advanced but aloof culture also prohibited interference with others of a lesser scale, much like the UFP's Prime Directive.