The first episode of the Bakemonogatari anime series is the first part of Hitagi Crab, which features the story of Hitagi Senjougahara and her loss of weight due to an oddity. It was released on July 3, 2012, and was directed by Tatsuya Oishi and Yukihiro Miyamoto, with script by Yukito Kizawa and storyboard by Nobuyuki Takeuchi.