North American anime distributor Funimation announced at San Diego Comic Con on Thursday that it will release the following .hack anime on home video: .hack//SIGN , .hack//Roots , .hack//Legend of the Twilight , and .hack//G.U. Trilogy . Bandai Entertainment previously released all four anime on home video in North America.

Kōichi Mashimo ( Tsubasa: RESERVoir CHRoNiCLE , Phantom ~Requiem for the Phantom~ ) directed the .hack//SIGN , .hack//Roots , and .hack//Legend of the Twilight television anime series. Hiroshi Matsuyama ( .hack//The Movie ) directed the .hack//G.U. Trilogy film, which opened in Japan in 2008. .hack//G.U. Trilogy is a CG-animated film that tells the story of the .hack //G.U. video games.

The 26-episode .hack//SIGN series originally aired in 2002 in Japan, and is a prequel to the .hack video game and OVA series. The 12-episode .hack//Legend of the Twilight series aired in 2003, and the 26-episode .hack//Roots series aired in 2006. .hack//Roots serves as a prequel to the .hack .//G.U. games.