Genesis of Aquarion is an anime TV series written and directed by Shoji Kawamori, produced by Satelight.

The science fiction series is a homage to the Super Robot shows of the 1970s and 1980s, executed with modern animation techniques and aesthetics. Set in the future, a giant fighting machine called the Aquarion is humanity's only effective weapon in the fight against the technologically advanced species called the Shadow Angels.

.​...more on Wikipedia