6. Bones Has All Of Spock's Marbles
At one point, Kirk and Spock's father, Sarek, rent "Star Trek II". I mean, they are reviewing the Enterprise's Engine Room Flight Recorder. The two discover that Spock transferred his Katra (his soul, or as the film puts it "his living spirit...everything that is not of the body") to Bones just before Spock went on his suicide mission to save the Enterprise. The first indications of this make for an effectively creepy scene. Kirk learns somebody has broken into Spock's quarters. When Kirk investigates, he sees a shadow sitting in the darkness, sounding an awful lot like Spock. When Kirk grabs the figure to ask the inevitable "WTF??" the shadowed figure is revealed to be Dr McCoy! Later scenes mine some comic gold from this premise. The cool, logical Spock and the passionate, no-nonsense McCoy sharing the same body made for a couple of priceless scenes. Especially when Bones goes to a bar to try and charter a ship to Genesis. A Starfleet security agent asks the obviously unstable McCoy if he can give him a ride home, Bones replies, "Where's the logic in offering me a ride home, you idiot?" and proceeds to give the agent an unsuccessful Vulcan nerve pinch. The kicker being when Kirk informs Bones that he's suffering from a Vulcan mind meld. Bones says, "That green blooded son-of-a-bitch. It's his revenge for all those arguments he lost". As good as "Star Trek II" was, I think it needed a touch more levity to give the audience a release from all the tension. "Star Trek III" added humour to the film franchise. From then on, the films didn't take themselves so unnecessarily seriously. And when the original cast was allowed the chance to be funny, they usually nailed it out of the park. Don't even get me started on the Next Generation films' attempts at humor. I still refuse to believe that Data actually said the words "Have you noticed how your boobs have started to firm up?"