Rare Photos 4

 Bruce Hyde as Lt. Kevin Riley is a publicity photo most likely taken during the filming of "The Naked Time," posing at the entrance of the Jeffries Tube.

Leonard goofing with the "unfamiliar" firearm in a publicity photo taken during the third season episode "Specter of the Gun."

Shatner in a behind-the-scenes shot from the second pilot, "Where No Man Has Gone Before."