I Know Sannou tries to tire Ko out by bunting. But despite all the data Sannou got on them, Seishu takes the lead with a home run from Nakanishi. Will they move on to face Ryuou Gakuin? Details Casts Galleries Posters Season Lists Title I Know Genres Animation Comedy Drama Romance Release Date 2009-09-27 Episode Runtime 00 Hours 24 Minutes Season Number 1 Episode Number 26 Production Companies TV Tokyo, Shogakukan-Shueisha Productions, SynergySP Miyu Irino... Kō Kitamura (voice)... Haruka Tomatsu... Aoba Tsukishima (voice)... Akemi Kanda... Wakaba Tsukishima (voice)... Megumi Toyoguchi... Ichiyō Tsukishima (voice... Noriko Shitaya... Momiji Tsukishima (voice)... Takahiro Sakurai... Yūhei Azuma (voice)... Masako Nozawa... Nomo (voice)... Yoshinori Sonobe... Daiki Nakanishi (voice)... Daisuke Kishio... Keiichiro Senda (voice)... Yuka Hirata... Risa Shidou (voice)... Kenji Nomura... Osamu Akaishi (voice)... Original Size (1894x1066) Original Size (3840x2160) Original Size (1280x720) Original Size (666x999) Original Size (618x927) Original Size (680x1020) Original Size (946x1313) Original Size (680x1000) Original Size (581x871) Original Size (2000x3000) Original Size (2000x3000) Season 1 50 Episode(s) 2009-04-05