Xam'd: Lost Memories, known in Japan as Bounen no Zamned (亡念のザムド Bōnen no Zamudo, lit. Zamned of the Lost Memory), is an anime series, conceptualized by Bones and co-developed by Sony Computer Entertainment, Aniplex and Bones, which made its debut on Sony's inaugural launch of the PlayStation Network (PSN) video download service at E3 in the United States on July 16, 2008, in Japan on September 24, 2008.
The series received its television premiere across Japan on MBS, CBC, Tokyo MX and other Japanese broadcast networks from April 2009, featuring new opening and ending theme sequences. Xam'd: Lost Memories spanned a total of 26 episodes. On its launch week, its pilot episode was the most downloaded video on the PlayStation Network at E3. On June 24, 2010, Sentai Filmworks announced that it had sub-licensed the series for home video distribution across North America, where the first half season set will be on DVD and Blu-ray Disc on September 21, 2010. The second set was released on November 9, 2010 on DVD and Blu-ray.