S1·E5 A Super Crazy Mechadon and the Desperate Fight

Himika plotted to eliminate Jeeg by using a magnetic storm caused by sunspot abnormalities. If you seal the magnetic power, Hiroshi can't even become Jeeg. At that time, Don, a black eagle who calls himself a rival in the air, was building Mechadon using scrap. When a Haniwa Phantom appear, Mechadon starts to play a big role instead of Jeeg.