Eureka Seven Specials Episode 4 Arata Nari, Fukaki Ao 01 ( Air Date 2012-10-05 ) Genre Action & Adventure, Sci-Fi & Fantasy, Animation, Drama category. Overview "Renton Thurston desires to leave his home behind and join the mercenary group known as Gekkostate, hoping to find some adventure. When a robot crashes through Renton's garage the meeting sparks the beginning of Renton's involvement with Gekkostate as he takes off alongside the young girl Eureka as the co-pilot of the Nirvash.".