Almost 30 years ago, Joss Whedon turned the just-okay movie he wrote -- but wasn't happy with -- into an exemplary, game-changing TV show that would influence dozens of sci-fi and fantasy projects ...

Almost 30 years ago, Joss Whedon turned the just-okay movie he wrote -- but wasn't happy with -- into an exemplary, game-changing TV show that would influence dozens of sci-fi and fantasy projects ...