The Naginata Forged in Fire : Season 3 Episode 14

Four blade smiths must create a signature blade using a randomly chosen mystery technique. After a brutal round of testing, only two will return to their home forges where they will reproduce a Japanese Naginata. Famous for its long length and use in martial arts, the smiths take their Naginatas outside the forge to be tested. Only one will survive and be crowned Forged in Fire Champion.