BioRobo no Uta ("Song of Bio Robo") is the Insert Theme for Bio Robo, notably used in Ep. 12: Murderer Green!, Ep. 14: Neo Intellect Brain!, Ep. 16: Run, 21599 Seconds, Ep. 17: I Saw Ryūgū Castle, Ep. 20: Prince's Challenge!, Ep. 22: A Great Burglar!? Blue!, Ep. 24: The Exploding Flower of Love, Ep. 25: Prince's Ghost?, Ep. 28: The Assassination of Doctor Man, Ep. 30: Ultimate Canth's Demon Sword, Ep. 32: Gear's Great Remodeling Plan, Ep. 34: Behold!! The Power of Bio, Ep. 36: The Transforming Boy, Ep. 38: The Enigmatic Balzion, Ep. 41: The Demonic Lullaby!, Ep. 44: The Beautiful Conscience Circuit, Ep. 47: Professor Shibata's True Colors!? and Ep. 48: It Appears! Balzion.