Fate/Zero

Season 1, Episode 8

Episode Title: The Mage-Slayer

Air Date: 2011-11-20

Overview:

Battle rages throughout Einzbern Castle: Kayneth's magical mercury sphere versus Kiritsugu's formidable gun arsenal, Saber and Lancer join forces against Caster in the forest, and Irisviel detects a new enemy as she and Maiya make their escape.