Forged in Fire (2015)

S9E9 Sergeant Hayden's Sword

Title: The Blade of Sergeant Hayden Plot: In a competitive challenge, four blacksmiths receive a tiny piece of high carbon steel alongside a large supply of mild steel to craft a knife. The two artisans who produce blades that meet the standards then advance to the next stage, where they must replicate a historic sword known for its role in securing victory during a war: the sword of Sergeant William Hayden.