- 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
That quarter of the Milky Way Galaxy located between 3 and 6 o'clock if the great plane of the galaxy is viewed as a clockface and the 6 o'clock position bisects the Sol system. The bulk of the Klingon and Romulan empires, the Ferengi and Tholians are among the major cultures located there along the joint Alpha Quadrant boundary with the Federation, which also extends into it slightly.