Big Windup! — Challenge!

Ep 1 True Ace Ep 2 A Catcher’s Role Ep 3 Practice Match Ep 4 Play Ep 5 Don't Ease Up! Ep 6 The Requirements to be a Pitcher Ep 7 I Want to Play Baseball! Ep 8 Amazing Pitcher? Ep 9 Past Ep 10 Steadily Ep 11 Summer Is Starting Ep 12 Cheering Party Ep 13 Summer Game Beginning Ep 14 Challenge! Playing Ep 15 First Point Ep 16 Do Not Underestimate Ep 17 Third Runner Ep 18 Additional Point Ep 19 Tosei's Abilities Ep 20 Reversal Ep 21 One More Point Ep 22 Defend! Ep 23 Strictly Ep 24 Conclusion Ep 25 One Victory