Author: Achu Krishnan
This 2004 series was created and directed by Satoshi Kon and consists of 13 episodes.
This 2007 series was created by Masamune Shirow and directed by Ryūtarō Nakamura and consists of 22 episodes.
This 2010 series was created by Fuyumi Ono and directed by Tetsurō Amino and consists of 22 episodes.
This 2012 series was created by Yukito Ayatsuji and directed by Tsutomu Mizushima and consists of 12 episodes.
This 2013 series was created by Shōichi Satō and directed by Akira Iwanaga and consists of 4 episodes.
This 2015 series was created by Norimitsu Kaihō and directed by Masaomi Andō and consists of 12 episodes.