From the well written and performed final episode of the original Star Trek series, Turnabout Intruder. Fans of William Shatner's over-acting will have a blast with this one. He also nails to play the character of Dr. Lester. Sandra Smith does a really great job acting like James T. Kirk, who fights for himself and for his ship. Turnabout Intruder also features a great Kirk and Spock moment, where Spock makes contact with that what "makes James Kirk a living being special to himself."
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