Carnival Phantasm — Season 1

The Holy Grail War gets reduced to a wacky game show.

The female cast of Tsukihime get involved in a game of beach volleyball that turns violent.

Arcueid decides to enroll in school in order to be closer to Shiki. Also Ilya creates mischief using her magic.

The main protagonists of Fate/Stay Night and Tsukihime meet and discuss their problems namely how they can accomplish dating all the heroines of their respective games on the same day.

While sent on an errand for his master Berserker unknowingly finishes the Holy Grail War.

A T.V. soap style episode that stars Rider in her attempts to protect Sakura from her malicious brother.

Arcueid decides to cook okonomiyaki for Shiki. Also, starring Caster of Fate/Stay Night, it focuses on the inner workings of a woman who happens to be a hidden Otaku.

Saber gets a job working for Ahnenerbe, however on her first day the situation almost immediately becomes chaotic.

The Masters and Servants enter a race to win the holy grail. Sehai-kun appears to offer Shinji questionable advice.

Shiki is forced to take care of his sister after her personality reverts to that of a 4-year old. Kohaku creates stories based on Hisui's detective persona with comical results.

Lancer is approached by Sehai-kun who warns him of his impending demise within the story of Carnival Phantasm.

A continuation of Episode 4 "Badump! Date Super Plan". Shiki and Shirou attempt to simultaneously date all of their heroines at once in a single day with disastrous results. The Ahnenerbe holds a party to celebrate the end of the series, and it includes various characters that haven't appeared in the series from Fate/Zero, Kara no Kyōkai, and Notes. The final segment features Ayaka Sajou calling Ahnenerbe as a lead in to Fate/Prototype.