High school senior Koyomi Araragi discovers a shocking secret one day after helping his classmate Hitagi Senjougahara—a secret he is never to tell.

Koyomi takes Suruga to see Oshino in order to help her. However, the help he offers isn't the help Koyomi wanted...

Koyomi is over the moon when Hitagi announces their first date will finally happen. But on the day of, he finds that she is not the only one there.

Meme is not himself these days, caused by Shinobu’s disappearance from the house. Koyomi, Mayoi, Suruga and Nadeko all search for Shinobu.

A recap episode retalling the events of Nekomonogatari (Kuro), narrated by Koyomi. On the first day of Golden Week, Koyomi Araragi, together with Tsubasa Hanekawa, buries a tailless cat that was ran over by a car. A supposedly petty and commonplace event. However, the curtain rises on the “nine days of hell" that follow.

A recap episode retalling the events of Bakemonogatari's Tsubasa Cat and the entirety of Nisemonogatari, narrated by Koyomi. During the summer vacation after all the apparition-related incidents around the five girls have been resolved, Koyomi Araragi's two risky younger sisters – the self-proclaimed heroes of justice, Karen and Tsukihi – become involved in some trouble.