Ep. 13: Caster and Uryuu plan a grand spectacle for God after their artwork is destroyed.
Aired on December 25, 2011

Caster and Uryuu return to their lair to find their artwork destroyed by Rider's fire. Uryuu comforts Caster by suggesting God is merely a spectator enjoying human actions. Impressed, Caster plans a grand spectacle for God. Meanwhile, Waver doubts his worthiness as Rider's Master, but Rider encourages him. Waver, Rider, Saber, and Iri detect magic near the Mion River and witness Caster summoning a giant demonic monster. Rider alerts the other contestants, leading to a temporary alliance to stop Caster before his monster destroys the city. Rider leads the vanguard, Saber joins him, and Lancer uses his spears to create an opening against Caster.
Episodes
- Ep. 9 · Kayneth loses his magic and Servant while Waver discovers Caster's gruesome crimes
- Ep. 10 · Rin investigates kidnappings in Fuyuki City and confronts Uryuu to save Kotone.
- Ep. 11 · Rider and Saber debate kingship ideals before Rider summons his army to defeat the Assassins.
- Ep. 12 · Tokiomi and Kirei plan to let Rider attack others first while Kiritsugu reviews intel
- Ep. 13 · Caster and Uryuu plan a grand spectacle for God after their artwork is destroyed.