The Cloth of Athena
Shion wakes the armor of Athena, which is the true form of the giant statue of the goddess. Source: crunchyroll
Aired 25/07/2003EP 12 - The Cloth of Athena
2002
Saint Seiya: The Hades Chapter - Sanctuary
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)