Features the arrival of the evil, pterodactyl-riding Black Baby, whom Ultra B fights with the aid of his cohorts Super Baby Robot and Muscle Bird.
| Actor | Role |
|---|---|
 Yuko MitaウルトラB | ウルトラB |
 Chiyoko Kawashimaミチオ | ミチオ |
 Masako Nozawaママ | ママ |
 Kaneta Kimotsukiパパ | パパ |
 Shigeru Chiba戸坂タテオ | 戸坂タテオ |
 Naoko Matsuiタケミ | タケミ |