The Genesis Star That Sunders Heaven and Earth (episode)

The Genesis Star That Sunders Heaven and Earth is the twenty-first episode of Fate/stay night.

Summary
While walking back home together, Shirou and Saber are attacked by the Servant Gilgamesh, who had previously saved them from Kuzuki and Caster. After Shirou traces a sheath for Excalibur, they manage to repel him. Later that night, Shirou makes his feelings clear to Saber and tells her that he wants her to stay with him after the war is over.