Saint Seiya: The Hades Chapter - Inferno

Seiya and the rest of the Bronze and Gold Saints who have survived the Sanctuary battle have entered the world of the Dead. They are fighting to get to Hades and defeat him. (Source: ANN)

YoAnime is the best site to watch Saint Seiya: The Hades Chapter - Inferno SUB online, or you can even watch Saint Seiya: The Hades Chapter - Inferno DUB in HD quality. You can also find anime on YoAnime website.