Galileo: Episode Zero
Plus Galileo Movie
Japanese with English Subtitles
Format: DVD

The special is set 3 years prior to the drama series, with the story being related to a murder case that was partly referenced in the original show. Detective Kusanagi is looking to solve a murder mystery, and he gets back in touch with his former badminton teammate, the brilliant professor Yukawa Manabu.

Cast
    * Fukuyama Masaharu as Yukawa Manabu
          o Miura Haruma as young Manabu
    * Kitamura Kazuki as Kusanagi Shunpei
          o Sano Kazuma as young Shunpei
    * Watanabe Ikkei as Kuribayashi Hiromi
    * Shinagawa Hiroshi as Yuge Shiro
    * Maya Miki as Jonouchi Sakurako
    * Fukui Hiroaki as Kobuchizawa Takashi
    * Nagasawa Masami as Shionoya Akari
    * Komatsu Ayaka as Hirahara Yoko
    * Karina as Shindo Namie
    * Hasegawa Tomoharu as Konno Sosuke
    * Namioka Kazuki as Tomanaga Kunihiro
    * Kanie Keizo as Tomanaga Yukimasa