- 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
A powerful noncorporeal lifeform playing the 18th-century gentleman to a captive audience from the U.S.S. Enterprise. Trelane was sent to bed by his parents for mistreating lower lifeforms.