Fate/stay night [Unlimited Blade Works] — Episode 2: The Princess of Colchis

You are watching the episode The Princess of Colchis Despite losing Saber, Shirou is determined to fight. Since Caster is protected by Kuzuki and Archer, Shirou and Rin decide to team up with another Master. Left with no other option, they set out to find Illyasviel and Berserker.