Is that season 1 or whatever? Actually pretty good show, considering. They use a Full suit of armor(80lbs) and nice horses. Pretty realistic. Much better than those mock ones you see at like fairs and shit. Armor had modern day safety stuff too....
One of the guys actually got forced to leave cause of a pretty serious injury. Hell they spent 1 week just learning how to FALL in that armor so they didn't break anything.