- 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
Sentient, robotic android built by the Pralor race in 2222. The purpose of Unit 3947 and other numerical Automated Personal Units was purely to fight similar intelligent robots built by the Cravic race.
Both the Pralor and the Cravic races were exterminated while attempting to deactivate their respective Automated Personal Units.