DVD collections Season 1 DVD Collection (Thinpak) (DVD), episodes 1-12 of season 1, release date: 2007-06-26 Valkyrie 2 - DVD Collection (Thinpak) (DVD 1-3), episodes 1-12 of season 2 and the two Bridal Training OVA episodes, release date: 2008-03-04 Seasons 1 & 2 Collection (DVD), episodes 1-12 of season 1 and episodes 1-12 of season 2, release date: 2009-04-28 Valkyrie - Seasons 3 & 4 Collection (DVD), OVA episodes 1-6 of Season 3 and OVA episodes 1-2 of Season 4, release date: 2009-08-11 Valkyrie Box Seasons 3 & 4 S.A.V.E. Collection (DVD), OVA episodes 1-6 of Season 3 and OVA episodes 1-2 of Season 4, release date: 2010-06-01 Seasons 1-2 (DVD 1-5), episodes 1-12 of season 1, episodes 1-12 of season 2, and the two Bridal Training OVA episodes. release date: 2012-09-11 Reception All versions of the anime releases have been extensively reviewed, beginning with an undated prerelease fansub review. The reviews range from "D−" for the story which was mainly aimed at the subtle predator themes relating to Kazuto and Valkyrie's relationship, to "B" for the art and music. The first DVD volume released in North America by ADV Films was titled UFO Ultramaiden Valkyrie - Bedlam, Bathhouse & Beyond and included episodes 1 through 4 of the first season of UFO Ultramaiden Valkyrie. A preview version of this DVD volume was reviewed by Mike Dungan the popular media blog Mania.com and given a grade of "B−". The released version of this DVD volume was later reviewed by Chris Beveridge for Mania.com and given an overall grade of "C+". Theron Martin reviewed this volume for the Anime News Network with grades from "D−" (story) to "B" (music). The second DVD volume titled UFO Ultramaiden Valkyrie - Crash Course in Craziness! included episodes 5 through 8 of the first season of UFO Ultramaiden Valkyrie. This DVD volume was also reviewed by Chris Beveridge and given an overall grade of "C". The third DVD volume titled UFO Ultramaiden Valkyrie - Pirates, Princess, Proposal included episodes 9 through 12 of the first season of UFO Ultramaiden Valkyrie. This DVD volume was also reviewed by Chris Beveridge and given an overall grade of "C". The OVA DVD volume titled DVD SPECIAL UFO Princess Valkyrie: SPECIAL - Bridal Training included a recap episode and the OVA episode associated with the first season of UFO Ultramaiden Valkyrie. This DVD volume was also reviewed by Chris