- 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
An intelligent people who destroyed themselves after becoming embroiled in a multi-generational war centuries ago, formerly co-existing with a race of compassionate energy beings who were disgusted by the war's toll and survived it.
First UFP contact came with a native of the latter on its homeworld, long thought to be legend only, by the U.S.S. Enterprise in 2366.