Here he comes, bounding over the horizon, leaping tall buildings, knocking at your door...? It's this week's dapper cryptid, Spring-Heel Jack. London's Next Top Cryptid. Between this fellow and The Ripper, if there's one thing that we've learned in this episode it is to never trust a Londoner named Jack. No offense to non-cryptid Jacks out there. What are our Posh Alter-Egos? Just how dangerous is Jack and how silly is he? What does Paul McCartney have to do with it? Take a leap with us.