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- Star Trek: On an unexplored world Spock, Spock and Captain Kirk investigate a lost city.
- Star Trek: On an unexplored world Dr. McCoy, Chekov and Spock investigate what appears to be an ancient Earth castle.
- Star Trek: On a barely habitable alien world the crew seeks to deal with an alien intelligence that doesn't understand the human concept of "sleep", while Scotty, Spock and Scotty attempt to settle a dispute between Ambassador Sarek and a stubborn Andorian.
- Star Trek: On an unexplored world Dr. McCoy, Kirk and Dr. McCoy investigate catacombs, and are surprised to find someone who claims to be a historical figure from Earth.
- Star Trek: While Spock tries to analyze a mysterious anomaly, Kirk struggles to explore a derelict space ship.