Ookiku Furikabutte: Natsu no Taikai-hen – Mokuhyou
English title: Big Windup! 2 Episode 12.5
Japanese title: おおきく振りかぶって 〜夏の大会編〜 第12.5話 目標
Type: Special
Episodes: 1
Source: Manga
Genres: Sports
Studios: A-1 Pictures
Duration: 24 min
Rating: G - All Ages

According to HMV, the DVD &amp; Blu-ray volume 7 of Ookiku Furikabutte ~Natsu no Taikai Hen~ will include an unaired episode 12.5. Director Mizushima posted in his blog that the special was made because they couldn't put the original manga episodes happened between the episode 12 and 13 within the TV series.