A promotional leaflet has announced that anime adaptation of Tsukimonogatari is scheduled to air on December 31.
All four-episodes will air at 10PM on Tokyo MX TV station, BS11 and streamed on Niconico Douga.
The original Tsukimonogatari light novel was released in September 26, 2012 and it is the tenth part of the Monogatari series. It is the thirteenth book overall, and contains the story Yotsugi Doll. It is the first book in the final season of the series.