1: "Otona ni Nanka ni Naranai yo (大人になんかにならないよ; I'll never become an adult" by Fusako Amachi
2: "Boku wa Oba Q Nonki na Obake (ぼくはオバQノンキなオバケ; I'm Obake Q, a carefree ghost" by Fusako Amachi
Ending Themes
1: "Believe Me" by Yoshimi Hamada
2: "A I U E Oba Q (あいうえオバQ)" by Fusako Amachi