Portal:Anime and manga/Anniversaries/April/April 4

April 4:

OVA/ONA series Television series and specials
 * 1989 – Urusei Yatsura: The Electric Household Guard
 * 1989 – Urusei Yatsura: I Howl at the Moon
 * 1990 – Cream Lemon: To Moriyama Best Hit: 'I Guess So'
 * 1965 – Dolphin Prince begins airing on Fuji TV
 * 1969 – Mōretsu Atarō begins airing on NET
 * 1974 – Getter Robo begins airing on Fuji TV
 * 1974 – New Honeybee Hutch begins airing on NET
 * 1975 – Brave Reideen begins airing on NET
 * 1975 – La Seine no Hoshi begins airing on Fuji TV
 * 1976 – Goliath the Super Fighter begins airing on NET
 * 1977 – Attack on Tomorrow begins airing on Fuji TV
 * 1978 – Future Boy Conan begins airing on NHK
 * 1979 – Space Battleship Yamato II finishes airing on Yomiuri TV
 * 1979 – The Ultraman begins airing on TBS
 * 1981 – Space Battleship Yamato III finishes airing on Yomiuri TV
 * 1983 – Mrs. Pepper Pot begins airing on NHK
 * 1983 – Perman begins airing on TV Asahi
 * 1983 – Superbook II begins airing on TV Tokyo
 * 1984 – Adventures of the Little Koala begins airing on TV Tokyo
 * 1985 – Dancouga – Super Beast Machine God begins airing on TBS
 * 1989 – Ronin Warriors finishes airing on NBN
 * 1993 – Super Bikkuriman finishes airing on ABC
 * 1994 – Soccer Fever begins airing on NHK
 * 1995 – Azuki-chan begins airing on NHK
 * 1996 – Cinderella Monogatari begins airing on NHK
 * 1996 – Mizuiro Jidai begins airing on TV Tokyo
 * 1997 – Slayers Try begins airing on TV Tokyo
 * 1998 – Cyber Team in Akihabara begins airing on TBS
 * 1998 – Grander Musashi RV begins airing on TV Tokyo
 * 1998 – Takoyaki Mantoman begins airing on TV Tokyo
 * 1998 – Trigun begins airing on TV Tokyo
 * 1998 – Yu-Gi-Oh! begins airing on TV Asahi
 * 1999 – Starship Girl Yamamoto Yohko begins airing on TV Tokyo
 * 2000 – Doki Doki Densetsu Mahōjin Guru Guru begins airing on TV Tokyo
 * 2008 - Macross Frontier begins airing on MBS
 * 2009 – Shin Mazinger Shougeki! Z Hen begins airing on TV Tokyo and the Bandai Channel