- 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
In 2269, Plasus ruled Stratos, the cloud city of Ardana. Though Plasus appreciated fine art, he treated Troglyte workers contemptuously and resented Kirk's interference.
Plasus had a daughter, Droxine.