Hunga Munga: Four new bladesmiths compete for a chance to forge a Hunga Munga - a four-edged behemoth of a weapon. (S3, ep 6)
Nepalese Kukri: After a rigorous first round qualifier, two bladesmiths will compete to make one of the most lethal weapons in military history, the Nepalese Kukri. (S2, ep 6)
The Elizabethan Rapier: The forge heats up as the two selected bladesmiths forge the rapier, a sharply pointed sword that can kill with just one thrust. (S1, ep 6)
The German Halberd: After a testing qualifier, two smiths head home for the final round to recreate the German Halberd, a medieval-era triple threat. (S5, ep 5)
Fan's Vote: In a Forged in Fire first, fans vote online to bring back four of their favourite craftsmen for a second shot at victory. (S4, ep 5)
Kora Sword: This time, the swordsmiths compete for a chance to craft a sacrificial sword from history which could reportedly cut a sheep in half with one swing. (S3, ep 5)
Viking Sword: Four bladesmiths are tasked with creating weapons from old car materials, before the two finalists compete to forge the best Viking sword. (S2, ep 5)
Katar: The competitors create their signature blade by using the Hada technique. The pressure mounts as one of the smiths is pushed to his breaking point. (S1, ep 5)
The Zande Spear: Four bladesmiths must forge J. Nielson's favourite blade, a Damascus European dagger, before moving on to the Zande spear. (S5, ep 4)
Makraka: The finalists are tasked with crafting the Makraka - the sickle-shaped blade that was the favoured close-range weapon of the Zande warriors of Central Africa. (S4, ep 4)