Eureka Seven and Eureka Seven AO

Eureka Seven
Original : Koukyoushi Hen: Eureka Seven
Japanese : 交響詩篇エウレカセブン
English : Eureka Seven: Psalms of Planets
Synonym : Eureka 7
Genre : Adventure, Mecha, Romance
Anime
Directed by : Tomoki Kyoda
Written by : Dai Satō
Original run : April 17, 2005 – April 2, 2006
Episodes : 50
Manga
Written by : Jinsei Kataoka , Kazuma Kondou
Published by : Kadokawa Shoten
Original run : July 26, 2005 – September 26, 2006
Volumes : 6

Eureka Seven, known in Japan as Psalms of Planets Eureka Seven , is a Japanese anime TV series by Bones. Eureka Seven tells the story of Renton Thurston and the outlaw group Gekkostate, his relationship with the enigmatic mecha pilot Eureka, and the mystery of the Coralians.
Bandai produced three video games based on Eureka Seven; two of them are based on events prior to the show, while the third is based on the first half of the show. Both the original concept of the anime and the video game Eureka Seven vol. 1: New Wave have been adapted into manga series as well, although with many significant changes primarily at the end. The TV series has also been adapted into a series of four novels and a movie.

Eureka Seven AO
Original : Eureka Seven AO
Japanese : エウレカセブンAO
Synonym : Eureka Seven Astral Ocean, Eureka 7 AO
Genre : Adventure, Mecha
Anime
Directed by : Tomoki Kyoda
Written by : Shō Aikawa
Music by : Kōji Nakamura
Original run : April 12, 2012 – November 19, 2012
Episodes : 24 + OVA

Eureka Seven: AO is a 2012 Japanese mecha anime television series by Bones, serving as a sequel to the original Eureka Seven anime. AO tells the story of Ao Fukai, a young boy who "sets destiny in motion again when he held the power." It is being adapted into both an anime and a manga.On December 22, 2011, Kadokawa Shoten`s Monthly Shōnen Ace magazine announced that a sequel manga titled Eureka Seven: AO would be launched in their January 26 issue. Yūichi Katō is drawing the manga based on the original story by BONES. Later that same day, an anime adaption of the manga was announced, and began airing on April 12, 2012, on MBS. The anime has been licensed for streaming and home video release by Funimation Entertainment who will stream the series on the video site.Originally set to air its last episode on September 27, 2012, the series went on a two week hiatus due to the 2012 Summer Olympics, thus ending its run on the third-to-last episode. The two final episodes were broadcast on November 19, 2012.

Story
Ao Fukai is a 13-year-old boy living in the year 2025 in Okinawa on the island of Iwato Jima with Dr. Toshio Fukai ever since Ao`s mother Eureka disappeared 10 years ago. When a mysterious organization attacks the local Scub Coral, Ao somehow gets mixed up in the battle and manages to activate an enigmatic robot called the Nirvash while it is being transported by the Self-Defense Forces. Later, Ao finds out that the Nirvash belonged to Eureka, and embarks on a journey to find his mother and learn the truth about his origins.