The Best Episodes Written By Theodore Sturgeon

First Officer Spock returns to his home world for a brutal Vulcan mating ritual.

Holly tries to save Rick and Will after they go into a pylon to investigate a time door.

Vincent discovers a mysterious computer tape that could offer proof of the alien invasion.

When McCoy sees the White Rabbit from Alice in Wonderland, the crew begins to realize that the planet they are visiting seems to have the dangerous power to turn any thought into reality.

An Elvis impersonator is transported to the 1950s where he meets the real Elvis who thinks that the impersonator is his long dead brother. A quiet waitress sees a glowing UFO, which gives her a message that everyone wants to know. She refuses to reveal exactly what the message is.