It was announced during a fan event of “Chuunibyou demo Koi ga Shitai!” that the anime will be adapted to an anime movie which will be released in theaters on September 14th. The name of the movie is “Takanashi Rikka Kai: Chuunibyou demo Koi ga Shitai! Movie”. It will be a summary of the anime TV series (aired in 2012 from October to December) with new footage.
Official website: http://www.anime-chu-2.com
Announcement PV for the movie:
Source: Mainichi
Takanashi Rikka Kai: Chuunibyou demo Koi ga Shitai! Movie on MAL