|This article is about a/an episode in Kamen Rider Agito.|
|That Summer Day|
|Kamen Rider Agito, Episode 28|
|Air date August 12, 2001|
|Written by Yasuko Kobayashi|
|Directed by Kenkou Sato|
A Numerical Mystery?!
A few weeks before Episode 27...
A boy running from his past, and two men in black suits, bumps into Ryo Ashihara. Ryo decides to help the boy run far away... until they run into an Unknown.
to be added
- Shouichi Tsugami (津上 翔一 Tsugami Shōichi): Toshiki Kashu (賀集 利樹 Kashū Toshiki)
- Ryo Ashihara (葦原 涼 Ashihara Ryō): Yūsuke Tomoi (友井 雄亮 Tomoi Yūsuke)
- Tōru Hōjō (北條 透 Hōjō Tōru): Jun Yamasaki (山崎 潤 Yamasaki Jun)
- Kōji Kōno (河野 浩司 Kōno Kōji): Kazumasa Taguchi (田口 主将 Taguchi Kazumasa)
- Kazuki Asano (浅野 一輝 Asano Kazuki): Yosuke Mitsuhashi (三觜 要介 Mitsuhashi Yōsuke)
- Kazuki Asano's Mother: Setsuko Mishima (三島 せつこ Mishima Setsuko)
- Kazuki Asano's Father: Kazuto Yamashiro (山城 和人 Yamashiro Kazuto)
- Black Suit Man: Masakazu Idono (井殿 雅和 Idono Masakazu), Masahiro Watanabe (渡邊 昌宏 Watanabe Masahiro)
- Auto Mechanic: Tetsuya Nakayashiki (中屋敷 哲也 Nakayashiki Tetsuya)
- Echinus Famelicare (エキヌス・ファメリカーレ Ekinusu Famerikāre, Voice): Jin Yamanoi (山野井 仁 Yamanoi Jin)
- Storm Form
- Ground Form
- This episode aired alongside Hyakujuu Sentai Gaoranger episode 25, Quest 25: The Third Ogre Princess Arrives
- This is the first Kamen Rider Series episode written by Yasuko Kobayashi, who would go on to be the head writer for Kamen Rider Ryuki, Kamen Rider Den-O, and Kamen Rider OOO.
- This is the first time Shouichi starts out in a form other than Ground Form (in this case Storm Form).