- 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 device which would be less intrusive than E-M pathways -- but would take years longer -- to drive out DS9's vole population by being tuned to a frequency hurtful to their ears and also, as it turns out, Quark's.