- 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
One of several planets where female residents were brutally stabbed to death in the style of Jack the Ripper. A lifeform that fed off terror and fear was responsible.