Ultra Galaxy Mega Monster Battle (ウルトラギャラクシー大怪獣バトル) is the first season of its series that is the 21st entry in the Tsuburaya Productions' long-running Ultra Series. It is an adaption of the video game Mega Monster Battle: ULTRA MONSTERS. The show first aired on December 1, 2007 and concluded on February 23, 2008. On December 20, 2008, the second season titled Ultra Galaxy Mega Monster Battle: Never Ending Odyssey (ウルトラギャラクシー大怪獣バトル ＮＥＶＥＲ ＥＮＤＩＮＧ ＯＤＹＳＳＥＹ) premiered. Ultra Galaxy was the first Ultra Series to be shown as a pay-per-view service. On July 25, 2017, Toku announced that the series (along with its second season) would air in the United States on its channel with English subtitles beginning August 31, 2017.

Plot

50 years after the extinction of monsters, humanity had finally advanced to outer space. The crews of Space Pendragon were tasked to investigate Planet Boris after communications on that planet were mysteriously halted. Arriving on the planet, the crew was astonished to find it inhabited by monsters, with every nearby city destroyed. While forced to wait for reinforcements, the crew must solve the mystery of this planet's background as a monster tamer named Rei, whose past remained mysterious, joined ZAP SPACY in order to learn his past.

Characters

Main characters

Monsters of Planet Boris

Episodes

Principal cast

Suit actors

Songs