Ultra Galaxy Mega Monster Battle: Never Ending Odyssey
is the second season and the 23rd entry in Tsuburaya Productions' long-running Ultra Series. Like its predecessor Ultra Galaxy Mega Monster Battle, NEO is a pay-per-view service. The first episode was distributed for free online on December 12, 2008, and remained available until January 31, 2009. The show was broadcast on BS11 beginning December 20, 2008. The series was followed by , a non-canon morning exercise program for children starring Shota Minami. Mega Monster Battle Gymnastics also had a touring stage show with dancing and exercises set to music and starring Shota Minami, with cameo appearances by Hiroyuki Konishi and Saki Kamiryo.
After the events of the last series, ZAP Spacy finds itself under attack by the Reionics Hunters, members of the Alien Pedan and the creators of the original King Joe Black, that seek to exterminate all Reionics in the universe. The story takes place on Planet Hammer where ZAP Spacy finds itself battling the Reionics, Reionyx Hunters, and the originator of the Reionics, Raybrad.