Fate/stay night - Season 1 Episode 24
The All Too Distant Utopia

Shirou has found himself trapped in the same place Kirei Kotomine trapped Shirous father. Surrounded by death Shirou must escape this place through will power alone, if he wants to end this Holy Grail War once and for all. Saber is also having trouble defeating the somewhat unbeatable Gilgamesh yet there is hope, with the power of "Avalon" The Ever-Distant Utopia.What will truly come about from destroying the Holy Grail? Will things be able to go back to normal?