Fate/stay night - Season 1 - Eps 15: The Twelve Trials
Archer has been defeated by the unbeatable Beserker and now Shirou, Saber and Rin are trying their best to escape the same fate. They are able to find shelter to bide some time, because Shirou has to find a way to replenish Saber's mana while Ilya looks for them. With Archer's sacrifice, Rin is that much more determined to get out of this alive and comes up with an elaborate plan. The beginning of a fight between Saber and Berserker commences.
About Fate/stay night

Title: Fate/stay night
First Air Date: 2006-01-07
Last Air Date: 2006-06-17
Status: Ended
Rating: 7.3/10 (from 209 votes)
Language: JA
Seasons: 2
Total Episodes: 24
Network: Teletama
Genres: Animation, Sci-Fi & Fantasy, Action & Adventure
Production Companies: Studio Deen, Notes
Synopsis
Shirou Emiya lost his parents in a fire when he was young and was later adopted by the sorcerer Kiritsugu Emiya. Shirou is drawn into the Holy Grail War summons a female "Servant" known as Saber to protect him and obtain the Holy Grail.
Cast

Noriaki Sugiyama
Shirou Emiya (voice)

Ayako Kawasumi
Saber (voice)

Kana Ueda
Rin Tohsaka (voice)