Season 0 of Espíritu de lucha: Hajime no Ippo premiered on March 21, 2003.

Season 1 of Espíritu de lucha: Hajime no Ippo premiered on October 3, 2000.

Makunouchi Ippo es un chico honrado y humilde, al que le gusta mucho ayudarle con sus deberes a su madre. Hasta el momento, no tenía ninguna meta u objetivo claro en la vida, pero mientras un día estaba siendo molestado por unos pandilleros, se encuentra con un campeón nacional de boxeo japonés, Mamoru Takamura, quien lo defiende de los abusones y lo regaña por lo patético que se ve al no defenderse. A partir de este punto Takamura le enseña el arte del boxeo profesional e Ippo se ve inspirado tras ello. La historia dará lugar a un nuevo campeón sin lugar a dudas.

Season 2 of Espíritu de lucha: Hajime no Ippo premiered on January 6, 2009.

Ippo Makunouchi continues his boxing career and his goal on knowing the meaning of being strong, and the desire on fighting his idol Ichiro Miyata once again. Along him are pro boxers Takamura, Aoki and Kimura that each one of them aspire to their own dreams. the continuation after Ippo won his Japan Championship match.

Season 3 of Espíritu de lucha: Hajime no Ippo premiered on October 6, 2013.

Hajime no Ippo: Rising continues Ippo's quest to become stronger, featuring the same cast of loveable dimwits from Kamogawa Gym, as they put their bodies and hearts on the line to make their way in the harsh world of professional boxing. With a will of iron, Ippo steps into the ring once again.