NatGeo is launching this new series with back-to-back hours tonight. Knights of Mayhem is about a group of jousting enthusiasts attempting to transform the medieval competition into a full-fledged professional sport. Meet the team in the première on the National Geographic Channel at 6pm PST, then watch their first competition in Sonora, California at 7pm PST. This episode filmed at the Sonora Celtic Faire @ the Mother Lode Fairgrounds last March.