Star Trek: The Original Series, Vol. 29

Episode 57 - Elaan of Troyius - Kirk and the U.S.S. Enterprise are assigned to deliver Elaan, the beautiful Dohlman of Elas, to her rival planet Troyius. But her unruly behavior threatens to cost Kirk his ship. Episode 58 - The Paradise Syndrome - The Enterprises mission: to deflect an asteroid from colliding with a planet. But shortly after Kirk, Spock and McCoy beam down to survey the planet, Kirk vanishes.

Star Trek - The Original Series, Vol. 29, Episodes 57 & 58: Elaan of Troyius/ The Paradise Syndrome