Hyuma joined the glorious giant army. However, while he was happy, he revealed his fatal weakness, the lightness of the ball, and was demoted to the second army. In his humiliating farm life, he finally completes the changing ball "Big League Ball No. 1". And whereabouts of the confrontation with his fateful rival, Mitsuru Hanagata, Toyosaku Samon ...
Unfortunately the movie Star of the Giants - Big League Ball is not yet available on HBO Max.
| Writing | Seiji Matsuoka | Screenplay |
| Writing | Haruya Yamazaki | Screenplay |
| Writing | Tsunehisa Ito | Screenplay |
| Writing | Masaki Tsuji | Screenplay |
| Directing | Tadao Nagahama | Director |