第18話: シロボンがマーメイドボンバーに敗れ、水対策として新たな爆弾を製造

18

After losing to Mermaid Bomber, Shirobon must make a new bomb that can oppose water. Finally realizing he needs their help, Bongo and Gangu decide to help him develop the technique and assist the Jetters in accomplishing the mission. (Source: Wikipedia)