Season 0 of Katekyo Hitman Reborn! premiered on March 1, 2010.

Season 1 of Katekyo Hitman Reborn! premiered on October 7, 2006.

Comienzan las aventuras de nuestro protagonista involucrandose cada vez mas en el extraño y peligroso mundo de la mafia.

Season 2 of Katekyo Hitman Reborn! premiered on June 2, 2007.

Sucesos increibles llevan a toda la "familia" del Decimo a enfrentarse en increibles combates con extraños y poderosos enemigos.

Season 3 of Katekyo Hitman Reborn! premiered on January 19, 2008.

Season 4 of Katekyo Hitman Reborn! premiered on March 15, 2009.

The Future Arc focuses on Tsuna and his Family travelling 9 years and 10 months into the future by Lambo's Ten Year Bazooka in order to confront the Millefiore Famiglia and change the future.

Season 5 of Katekyo Hitman Reborn! premiered on July 18, 2009.

The Arcobaleno Trials Arc is an anime-exclusive arc that occurs when Tsuna and his Family traveled back to the past to obtain the Arcobaleno Seals and unlock the true power of the Vongola Rings. The story was supervised by Akira Amano.

Season 6 of Katekyo Hitman Reborn! premiered on October 17, 2009.

The Choice Arc takes place after Tsuna and the rest of his family acquire the Arcobaleno Seals, and travel back into the future to confront Byakuran and the remaining Millefiore Famiglia.

Season 7 of Katekyo Hitman Reborn! premiered on April 3, 2010.

The Primo Family Arc is an anime-exclusive arc that details the happenings when Tsuna and his Family that went to the future travel back to the past (except Basil) to get stronger with the help of the Arcobaleno and obtain the Vongola's true power.

Season 8 of Katekyo Hitman Reborn! premiered on June 26, 2010.

The Future Final Battle Arc takes place right after Choice, when the Vongola Famiglia loses and escapes in order to protect Uni. The final battles are about the Vongola members fighting to stop the Real Six Funeral Wreaths from taking Uni to Byakuran.