Giant Robo: The Siege of Babel

Giant Robo: Babel no Roujou
ジャイアントロボ バベルの籠城

Main Story

Giant Robo: The Day the Earth Burned
Giant Robo: Chikyuu no Moetsukiru Hi· ジャイアントロボ:地球の燃え尽きる日
manga

An alternate, slightly darker continuity of the Giant Robo OVA, featuring Daisaku Kusama amidst a power struggle between the International Police Organization (IPO) and the Magnificent Ten of Big Fire (BF group).

Parent Story

Giant Robo
ジャイアントロボ
manga

In the future, the third energy revolution starts with the invention of the Shizuma Drive and humanity celebrates a new era of prosperity. But lurking is the Big Fire, a secret organization that wants world domination. The International Police combating this threat counting with Giant Robo, a giant robot controlled by just a couple: Daisaku Kusama.