The WORST seasons of Ace of Diamond
Every season of Ace of Diamond ever, ranked from worst to best by thousands of votes from fans of the show. The worst seasons of Ace of Diamond!
A meeting with catcher Kazuya Miyuki changed the 15-year-old Eijun Sawamura's life. He said goodbye to all his friends and knocked upon the door of Seidou, a prestigious baseball school, intent on testing his own strength. There, he met many proud baseball players who were betting everything on the sport! A classic tale, yet new and fresh.

#1 - Season 1
First Aired 10/6/2013

#2 - Season 2
First Aired 4/6/2015
Coach Kataoka takes the failure to reach the nationals upon himself as some shortcoming in himself. With the fall tournament presenting a new chance to reach the nationals, the team strives to overcome gaps left by the third years' absence. As they strive to improve, they retain the hope of making it to the nationals and keeping their treasured coach from retiring. The battle to hold the position of ace between Sawamura, Furuya and Norifumi continues bringing new strength to the team.

#3 - Act II
First Aired 4/2/2019
Eijun Sawamura finally makes his first appearance at the spring invitational! He wants to restore Seido’s reputation as a first-rate team and make them national champions! Seido High School Baseball Club’s new run is about to begin!