The best episode directed by Ato Nonaka is "The Assassin Returns", rated 7.7/10 from 3 user votes. It was "written by Kazuharu Sato". "The Assassin Returns" aired on 5/20/2012 and is rated 0.2 point(s) higher than their second highest rated, "Fate/Zero".
Irisviel time is running out and Kiritsugu is doing what he can to make her comfortable. But the game continues and he leaves to eliminate his next target. A surprise attack against his hideout leaves him a man down and heart broken.
Director: Ato Nonaka
Writer: Kazuharu Sato
As commanded by Kiritsugu, Saber unleashes her Noble Phantasm on the Holy Grail, with a completely unexpected result. Who will end up winning the war?
Director: Ato Nonaka
Writer: Kazuharu Sato
Hidden in a Fuyuki hotel, Kiritsugu tries plan his next move, but is still at a loss trying to understand Kirei's motives. Elsewhere, Iry and Saber have moved to a new hideout, a traditional Japanese manor. But while Iry seems excited about their new location, Saber senses something is amiss...
Director: Ato Nonaka
Writer: Kazuharu Sato