- 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
The home planet of the sentient feline species known as the Kzinti (or the Kzin). The Kzinti have initiated wars against Earth four times during the middle and late twenty-first centuries, but humanity prevailed over Kzin forces on each occasion. Despite these intense interspecies contacts, little is definitively known about the Kzin's native world.