- 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
Although it was known to be home to the Borg, the Delta Quadrant had been wholly unexplored until word was received in 2374 from the lost U.S.S. Voyager. Compressed messages from the ship, long presumed a casualty, detailed its accidental arrival there and travels homeward among cultures such as the Kazon sects, the Vidiians, Talaxians, Ocampa, the Hirogen, Species 8472 — and, of course, the Borg.