寄生兽Forged in Fire is an American reality television competition series that airs on the History channel, and is produced by Outpost Entertainment, a Leftfield Entertainment company. In each episode, four bladesmiths compete in a three-round elimination contest to forge bladed weapons, with the overall winner receiving $10000 and the day's championship title. The series is hosted by Wil Willis, with a three-judge panel consisting of J. Neilson, David Baker, and Doug Marcaida, experts in weapon history and use.