Fate/Zero Episode 5: A Wicked Beast`s Roar
Episode 5 of 13 of Fate/Zero, aired October 30, 2011, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Rider suddenly appears just the battle with Lancer reaches its climax, much to Saber's consternation. Undeterred, Rider calls out to the many people observing the fight from within the shadows...but it seems he's not the only heroic spirit drawn in by the battle.