High Quality Content by WIKIPEDIA articles! Star Trek VI: The Undiscovered Country is the sixth feature film in the Star Trek science fiction franchise and is the last of the Star Trek films to include the entire main cast of the 1960s Star Trek television series. Released in 1991 by Paramount Pictures, it was directed by Nicholas Meyer and written by Meyer with Denny Martin Flinn. After an ecological disaster leads to two longstanding enemies—the Federation and the Klingon Empire—brokering a tenuous truce, the crew of the USS Enterprise must prevent war from breaking out on the eve of universal peace.