There's were they encounter three witches, a black cat, a giant castle and two seemingly-humanoid lifeforms named Korob and Sylvia, who display incredible powers until their true motives (and their true identities) become clear. McCoy beam down to a mysterious and foreboding planet to investigate.
When one crew member of the Enterprise turns up dead and two others (Scotty and Sulu) go missing, Captain Kirk, Mr.
