Time Travel - S3.E3

Journeying through time is the stuff of fantasy, but somehow has been beyond our grasp…or has it? Jesse tracks down a mysterious man who claims to have visited many iconic moments in American history – and influenced the course of history in doing so! Could our government be hiding the secret to time travel, and possibly even using it as a weapon? And what can we do should the technology fall into the wrong hands…or has it already?