- 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 22nd century deep space scientific probe launched from the Alpha Quadrant into the Gamma Quadrant, without the benefit of the Bajoran wormhole's shortcut. Among the discoveries about the Gamma Quadrant it reported was the finding of a trinary star system called Idran.