Dr. Jekyll and Mr. Hyde, v. 2.0 Fringe Fox Network, Fridays, 9 PM “One Night in October” Written by Alison Schapker & Monica Owuso-Breen Directed by Brad Anderson “He’s a professor? And over there he’s a serial killer?” — Olivia Man is the only monster that can explain itself, so it’s no wonder that serial killers hold such fascination for us. Hard-wired as we are for social contact, the lone killer who shows no empathy at all holds all the lure of a mutant or a changeling. In what may well be the best-written episode of the entire show, Fringebrilliantly exploits…