Saint Seiya: The Hades Chapter - Sanctuary is a oVA anime that premiered in fall 2002.

About the production: the story comes from a manga, there are 13 episodes of about 25 minutes and its current status is "finished".

Its main genres are adventure and sci-fi, with themes such as Primarily Male Cast, Mythology, Super Power and Male Protagonist.

On AniList, Saint Seiya: The Hades Chapter - Sanctuary has an average score of 77%, a very good score, and appears on 12,228 users' lists.

The franchise continues in or follows from: Saint Seiya and Saint Seiya: Meiou Hades Meikai-hen.

Hades is planning to take over the world, to achieve that goal, he sends out deceased Gold Saints to take Athena's head. Seiya and the other Bronze Saints come to help but their help isn't appreciated by the remaining Gold Saints that are still alive. (Source: Anime News Network)

Official synopsis from AniList.