Kamen Rider W DVD: Gaia Memory Library

仮面ライダーＷ（ダブル） DVD ガイアメモリ大図鑑

Also known as Kamen Rider W: Gaia Memory Field Guide, Kamen Raidā Daburu Dī Bui Dī Gaia Memori Daizukan, Kamen Rider W DVD: Gaia Memory Encyclopedia

Set shortly after Kamen Rider W: Donburi's α/Farewell Beloved Recipe DVD, this video features the content normally found in the Hyper Battle DVD (explaining the powers and weapons of the Kamen Riders), revealed as Philip having come down with temporary amnesia after slipping on a hard-boiled egg and hitting his head.