It was revealed on the official site that Hibike! Euphonium (Sound! Euphonium) will be receiving a special episode. The episode, titled "Kakedasu Monaka" (Running Monaka), will be bundled with the seventh Blu-ray and DVD volume on December 16, 2015.
Hibike! Euphonium is an adaptation of the novel series written by Ayano Takeda. Kyoto Animation produced the 13-episode television series, which aired in Spring 2015. The official site also streamed a preview of the special episode.