AT-X (アニメシアターX,Anime Shiatā Ekkusu, lit. "Anime Theater X") is a Japanese animetelevision network owned by AT-X, Inc. (株式会社エー・ティー・エックス,Kabushiki kaisha Ē-Tī-Ekkusu). AT-X, Inc. was founded on June 26, 2000 as a subsidiary of TV Tokyo Medianet, which, in turn, is a subsidiary of TV Tokyo. Its headquarters are in Minato, Tokyo. AT-X network has been broadcasting anime via satellite and cable since December 24, 1997.
Their slogan is Wan ranku ue no anime senmon chan'neru (ワンランク上のアニメ専門チャンネル,lit. "Anime Specialty Channels Up a Notch").
AT-X is always the main channel for many Comic Gum Anime adaptions. Ikkitousen, Amaenaideyo!! and Fight Ippatsu! Juuden-chan! were shown on this channel first, before they were re-aired on Tokyo MX.
December 24, 1997 - AT-X begins broadcasting on DirecTV.
November 30, 1998 - Bandai Chara Net TV (owned by Bandai, which AT-X aired through) closes due to SkyPort, its satellite provider (a subsidiary of Mitsubishi-owned Space Communications Corporation), shutting down. AT-X moves to the "SuperBird C" satellite.
1999 - Starts airing "Diamond Time", their first self-produced show.
June 26, 2000 - AT-X Inc. is founded.
September 30, 2000 - DirecTV ceases Japanese operations.