Great sites
Mistakes
Isis is an all-black cat, but in a few shots, her "stunt double" with white paws can be spotted. The cat lying on the floor of the transporter room when Gary Seven beams aboard is a white-pawed double. See more...
Trivia
The costume of the Salt Vampire from "The Man Trap" appears in Trelane's castle. It is in an alcove near the front door. See more...
Star Trek (1966) - 1 easter egg
starring DeForest Kelley, George Takei, James Doohan, Leonard Nimoy, Nichelle Nichols, Walter Koenig, William Shatner (add more)
Easter eggs are hidden bits on DVDs which if you know where to look can provide all sorts of fun extras.