- 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
Progressive memory purge is a computer cleansing process, that restores a computer's memory to its original state. In 2369, after the failure of an interface experiment, this technique was used on Commander Data to restore his memory.