Genre: Science Fiction, Fantasy, Adventure
Premise: The iconic series ``Star Trek'' follows the crew of the starship USS Enterprise as it completes its missions in space in the 23rd century. Captain James T. Kirk -- along with half- human/half-Vulcan science officer Spock, ship Dr. ``Bones'' McCoy, Ensign Pavel Chekov, communications officer Lt. Nyota Uhura, helmsman Lt. Hikaru Zulu and chief engineer Lt. Cmdr. ``Scotty'' Scott -- confront strange alien races, friendly and hostile alike, as they explore unknown worlds.
S03, E23 (First Aired: Mar. 14, 1969)
Spock finds love when he, Kirk and McCoy become caught in past ages of a dying world; guest Mariette Hartley.
S03, E24 (First Aired: Jun. 3, 1969)
A vengeful scientist (Sandra Smith) exchanges bodies with Kirk, then attempts to take command of the Enterprise.