 The opening theme to the show is "Bari Bari Saikyou No. 1" by Feel  So Bad. The first closing theme to the show is "Mienai Chikara" by  famous Japanese rockers Bz. The second closing theme is "Spirit" by  PAMELAH. "Bari Bari Saikyou No. 1" was the ending theme for the  final episode of the TV seriess run (episode 48, as 49 was a TV  special).