The Sailor-Suited Soldier (セーラー服の戦士 Sērā-fuku no Senshi) is the forty-third episode of Choudenshi Bioman. It is the start of a two-part story featuring the return of Shuichi Kageyama, the human son of Doctor Man (Hideo Kageyama) and the introduction of two new key characters: the Mecha-Human known as Miki who controls Doctor Man's neo-mechagigan, Satan Megas and the mysterious Professor Shibata. In the Philippine Dub, the title of the episode changed to "To Sacrifice A Friend".