Dale Sams wrote:
1) The stunt of the guy falling off the transporter pad
2) The sheer alienness of Sylvia and Korob, including the aliens at the end, which I thought were cool.
Those are great moments. Another is the dialogue between Kirk and Spock after they encounter the witches:
KIRK: Spock. Comment?
SPOCK: Very bad poetry, Captain.
KIRK: [rolls eyes] A more useful comment, Mister Spock.