and the outlaw group Gekkostate, his relationship with the enigmatic mecha pilot Eureka, and the mystery of the Coralians. The fifty-episode series aired on MBS between April 2005 and April 2006.

The series spawned six manga adaptations, a light novel, three video games and a feature-length anime film which was released in April 2009. A sequel anime series, titled Eureka Seven AO, aired 24 episodes between April and November