Releases

Season 1
.hack
.hack//SIGN
2002-04-04 to 2002-09-26
26 episodes (24 minutes)
Adventure, Fantasy, Mystery, Sci-Fi
Bee Train
OVA
.hack//Liminality
2002-06-20 to 2003-04-12
4 episodes (33 minutes)
Mystery, Sci-Fi
Bee Train
Season 2
.hack//Legend Of The Twilight
.hack//黄昏の腕輪伝説
.hack//Tasogare no Udewa Densetsu
2003-01-09 to 2003-03-27
12 episodes (23 minutes)
Adventure, Comedy, Fantasy, Sci-Fi
Bee Train
Special
.hack//Unison
2003-10-24
24 minutes
Adventure, Comedy, Fantasy, Sci-Fi
Bee Train
OVA
.hack//Gift
.hack//GIFT
2003-11-16
26 minutes
Comedy, Fantasy
Season 3
.hack//Roots
2006-04-06 to 2006-09-28
26 episodes (24 minutes)
Adventure, Drama, Fantasy, Sci-Fi
Bee Train
OVA
.hack//G.U. Returner
2007-01-18
24 minutes
Adventure, Drama, Fantasy, Sci-Fi
Movie
.hack//G.U. Trilogy
2008-03-25
1 hour 33 minutes
Action, Fantasy, Sci-Fi
Special
.hack//G.U. Trilogy
.hack//G.U. Trilogy: Parody Mode
2008-03-25
6 minutes
Comedy, Fantasy, Sci-Fi
Special
.hack//INTERMEZZO
24 minutes
Adventure, Fantasy, Mystery, Sci-Fi
Bee Train
Special
.hack//Legend of the Twilight Offline Meeting Special
.hack//黄昏の腕輪伝説 オフラインで会いましょう
.hack//Tasogare no Udewa Densetsu - Offline de Aimashou
20 minutes
Adventure, Comedy, Fantasy, Sci-Fi

Sources

Manga
.hack//Legend of the Twilight
.hack//黄昏の腕輪伝説
.hack//Tasogare no Udewa Densetsu
Tatsuya Hamazaki - Story
Rei Izumi - Art
2002-07-30 to 2004-04-03
22 Chapters
3 Volumes
Novel
.hack//AI buster
Tatsuya Hamazaki - Story
Rei Izumi - Art
2002-10-01 to 2005-06-01
17 Chapters
2 Volumes
Manga
.hack//G.U.+
Tatsuya Hamazaki - Story
Yuzuka Morita - Art
2006-06-23 to 2009-03-26
26 Chapters
5 Volumes
Novel
.hack//Another Birth
.hack//もうひとつの誕生
Miu Kawasaki - Story
CyberConnect2 - Art
Kazunori Itou - Art
Yoshiyuki Sadamoto - Art
28 Chapters
4 Volumes
Manga
.hack//Alcor 破軍の序曲
.hack//Alcor: Hagun no Jokyoku
Kanami Amou - Story
Rena Izumibara - Art
7 Chapters
1 Volume
Manga
.hack//GnU
Azuka Kawa - Story
Takashi Tanegashima - Art
6 Chapters
1 Volume
Manga
.hack//Link
CyberConnect2 - Story
Brian Beacock - Art
Megane Kikuya - Art
20 Chapters
3 Volumes