"I have a buddy named Matt who's a digital pack-rat. He's the guy you call when you need a movie or a TV show, because chances are he's got it. Among the finer things in his collection is the entire multi-decade run of "Dr. Who," including lots of rare black and white Hartnell stuff. He's long since reached the point where he could put his collection on random play and die of old age before he sees a repeat.