UFO Ultramaiden Valkyrie
2002 • 12 Episodes
Season 1 of UFO Ultramaiden Valkyrie premiered on July 4, 2002.
UFO Ultramaiden Valkyrie 2: December Nocturne
2003 • 12 Episodes
Season 2 of UFO Ultramaiden Valkyrie premiered on October 17, 2003.
UFO Ultramaiden Valkyrie 3: Bride of Celestial Souls' Day
2004 • 6 Episodes
Season 3 of UFO Ultramaiden Valkyrie premiered on December 22, 2004.
UFO Ultramaiden Valkyrie 4: Banquet of Time, Dreams, and Galaxies
2006 • 2 Episodes
Season 4 of UFO Ultramaiden Valkyrie premiered on July 21, 2006.