2002 | 2 Episodes

Season 0 of UFO Ultramaiden Valkyrie premiered on August 23, 2002.

2002 | 12 Episodes

Season 1 of UFO Ultramaiden Valkyrie premiered on July 4, 2002.

2003 | 12 Episodes

Season 2 of UFO Ultramaiden Valkyrie premiered on October 17, 2003.

2004 | 6 Episodes

Season 3 of UFO Ultramaiden Valkyrie premiered on December 22, 2004.

2006 | 2 Episodes

Season 4 of UFO Ultramaiden Valkyrie premiered on July 21, 2006.