Note that anime franchises with multiple television series are not listed on this page.
Anime in Japan has a practice of naming seasons under their own separate title instead of by cours.
This article will only cover series without distinct season names.
This is a list of original video animation (OVA) series by episode count for series with a minimum of 20 episodes.
This is a list of original net animation (ONA) series by episode count for series with a minimum of 20 episodes.