Ikkyuu-san (1978)
Japanese title: 一球さん
Type: TV
Episodes: 26
Premiered: spring 1978
Source: Unknown
Genres: Sports
Studios: Nippon Animation
Duration: 23 min per ep
Rating: PG-13 - Teens 13 or older

High-school student Ikkyuu knows nothing about baseball, but his talents are recognized by the manager of the baseball club, and he takes up this enchanting sport. While his ignorance of the game leads him to make many mistakes, Ikkyuu - who is in fact a descendant of ninja - displays his superhuman abilities and leads the team to the High School Baseball Championships.

(Source: Nippon Animation)