Forged in Fire (2015)

S04E18 The Yatagan

Title: The Yatagan Plot: The intensity rises as the blacksmiths face a new challenge: they must transform the corroded steel from a 1971 Mercury Cougar into their renowned blades within a tight three-hour deadline. The final contestants are required to forge a prestigious military weapon called the Yatagan, testing their skills and creativity at every turn.