is a 2010 Japanese animated drama film based on the fourth Haruhi Suzumiya light novel of the same name written by Nagaru Tanigawa. It was produced by Kyoto Animation, written by Fumihiko Shimo and directed by Tatsuya Ishihara and Yasuhiro Takemoto. It was released in Japanese theaters on February 6, 2010 and on DVD and Blu-ray Disc on December 18, 2010.

Plot

Following on from the events of ''The Melancholy of Haruhi Suzumiya'' television series, the story takes place in December. The SOS Brigade, led by Haruhi Suzumiya, makes plans to have a nabe party for Christmas. However, on the morning of December 18, Kyon arrives at school and finds that the nature of his reality has changed; Haruhi and Itsuki Koizumi are missing, Ryoko Asakura has mysteriously returned, Mikuru Asahina does not recognize him and Yuki Nagato is an ordinary human. Only Kyon is aware that everything is different, and no one else remembers Haruhi or the SOS Brigade.

Awards