2003 in Japanese television

Events in 2003 in Japanese television.

Ongoing shows

 * Music Fair, music (1964-present)
 * Mito Kōmon, jidaigeki (1969-2011)
 * Sazae-san, anime (1969-present)
 * FNS Music Festival, music (1974-present)
 * Panel Quiz Attack 25, game show (1975-present)
 * Doraemon, anime (1979-2005)
 * Soreike! Anpanman. anime (1988-present)
 * Downtown no Gaki no Tsukai ya Arahende!!, game show (1989-present)
 * Crayon Shin-chan, anime (1992-present)
 * Shima Shima Tora no Shimajirō, anime (1993-2008)
 * Nintama Rantarō, anime (1993-present)
 * Chibi Maruko-chan, anime (1995-present)
 * Kochira Katsushika-ku Kameari Kōen-mae Hashutsujo, anime (1996-2004)
 * Detective Conan, anime (1996-present)
 * SASUKE, sports (1997-present)
 * Ojarumaru, anime (1998-present)
 * One Piece, anime (1999–present)
 * Yu-Gi-Oh! Duel Monsters, anime (2000-2004)
 * Tottoko Hamtaro, anime (2000-2004)
 * InuYasha, anime (2000-2004)
 * The Prince of Tennis, anime (2001-2005)
 * Kitty's Paradise Fresh, children's variety (2002-2005)
 * Pocket Monsters Advanced Generation, anime (2002-2006)
 * Naruto, anime (2002–2007)