Armored Tank
Episode: 1x01 | Airdate: Apr 13, 2009
Season 1
Siege Ladder
Episode: 1x02 | Airdate: Apr 20, 2009
Scythe Chariot
Episode: 1x03 | Airdate: Apr 27, 2009
Machine Gun
Episode: 1x04 | Airdate: May 4, 2009
Self Propelled Carts
Episode: 1x05 | Airdate: May 11, 2009
Catapult
Episode: 1x06 | Airdate: May 18, 2009
Air Screw
Episode: 1x07 | Airdate: Aug 16, 2010
Crossbow Machine
Episode: 1x08 | Airdate: Aug 23, 2010
Double Catapult
Episode: 1x09 | Airdate: Sep 22, 2010
Springald Cannon
Episode: 1x10 | Airdate: Sep 29, 2010