- David Lain Baker (Self - Judge)
- Doug Marcaida (Self - Judge)
Episode: Branch Battle: Air Force
Air Date: 2019-05-08
Runtime: 42 min
In Round 2, four airmen from the U.S. Air Force must forge a bolo knife using the san mai technique to combine high carbon steel with helicopter parts; two smiths return home to forge an Air Force NCO sword.