Fate/stay night - Season 1 Episode 12 Splitting The Sky The Holy Grail War Begins!
Overview: Shirou is very worried about the well being of the students, staff, and of the school after yesterday's events, he's especially worried about Taiga who seems to be recovering well. Shirou is now determined to put an end to this and plans to go after Shinji before he can make another force field and with Sabers support they head out. However before that, Shirou has some important information to disclose to Rin about Shinji's Servant, Rider about the Noble Phantasm she used.