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The Best Episodes of Ace of the Diamond Season 4

Every episode of Ace of the Diamond Season 4 ranked from best to worst. Discover the Best Episodes of Ace of the Diamond Season 4!

Scouted for his potential, brash left-handed pitcher Eijun Sawamura joins baseball powerhouse Seido High to become the undisputed ace of the team.

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Episode Rankings

  1. #1 Fan Favorite
    Ace of the Diamond Season 4 Episode 1 - Up Ahead
    0.0/10(0 votes)

    S4:E1

    Seido takes on Norikane High as Sawamura struggles to live up to the weight of the team's ace number.

    Director:Nozomi Ishii
    Writer:Kenji Konuta

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  2. Ace of the Diamond Season 4 Episode 2 - For the Team
    0.0/10(0 votes)

    S4:E2

    Ichidaisan High faces off against Yakushi, with Amahisa revealing a new pitch in his showdown with Raichi.

    Director:Unknown
    Writer:Unknown

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  3. Ace of the Diamond Season 4 Episode 3 - The Path of the Victor
    0.0/10(0 votes)

    S4:E3

    The showdown between Amahisa and Raichi kicks off the second half of the Yakushi-Ichidaisan match.

    Director:Unknown
    Writer:Unknown

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  4. Ace of the Diamond Season 4 Episode 4 - Roar
    0.0/10(0 votes)

    S4:E4

    Four quarterfinals matches play out as the semifinalists are decided.

    Director:Unknown
    Writer:Unknown

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  5. Ace of the Diamond Season 4 Episode 5 - Something Off
    0.0/10(0 votes)

    S4:E5

    Potential injuries plague both Seido and Ichidaisan, while Sawamura tries out new pitches.

    Director:Unknown
    Writer:Unknown

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  6. Ace of the Diamond Season 4 Episode 6 - The Unveiling
    0.0/10(0 votes)

    S4:E6

    Amahisa and Sawamura reveal a few new tricks to start the Ichidaisan-Seido match.

    Director:Unknown
    Writer:Unknown

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  7. Ace of the Diamond Season 4 Episode 7 - What's Built Up
    0.0/10(0 votes)

    S4:E7

    Ichidaisan and Seido continue to clash with no ground to spare in a tight match between ace pitchers.

    Director:Unknown
    Writer:Unknown

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  8. Ace of the Diamond Season 4 Episode 8 - The Mentality of the Ace
    0.0/10(0 votes)

    S4:E8

    The pressure builds on Sawamura as the Ichidaisan team brings out all its tricks to break the stalemate.

    Director:Unknown
    Writer:Unknown

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  9. Ace of the Diamond Season 4 Episode 9 - High Voltage
    0.0/10(0 votes)

    S4:E9

    The pitchers' duel continues as Seido struggles to make up for lost ground.

    Director:Unknown
    Writer:Unknown

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  10. Ace of the Diamond Season 4 Episode 10 - My Fight
    0.0/10(0 votes)

    S4:E10

    As late innings roll around, Seido seeks to break through Amahisa's ironclad pitching.

    Director:Unknown
    Writer:Unknown

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  11. Ace of the Diamond Season 4 Episode 11 - As a Partner
    0.0/10(0 votes)

    S4:E11

    One run behind in the eighth inning, the heart of Seido's order comes to the plate with a man on third.

    Director:Unknown
    Writer:Unknown

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  12. Ace of the Diamond Season 4 Episode 12 - The Next Stage
    0.0/10(0 votes)

    S4:E12

    After a dramatic turning point, Sawamura tries to get his last three outs of the game.

    Director:Unknown
    Writer:Unknown

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  13. Ace of the Diamond Season 4 Episode 13 - An Endless Road
    0.0/10(0 votes)

    S4:E13

    With the finals approaching, the players wrestle with the psychological elements of the game.

    Director:Unknown
    Writer:Unknown

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  14. Ace of the Diamond Season 4 Episode 14 - The Night Before the Finals
    0.0/10(0 votes)

    S4:E14

    Seido and Inashiro prepare for the game that will take one of them to Koshien.

    Director:Unknown
    Writer:Unknown

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  15. Ace of the Diamond Season 4 Episode 15 - Full Throttle
    0.0/10(0 votes)

    S4:E15

    The finals kick off as first innings from Narumiya and Furuya set the tone.

    Director:Unknown
    Writer:Unknown

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  16. Ace of the Diamond Season 4 Episode 16 - Transmission
    0.0/10(0 votes)

    S4:E16

    No description available

    Director:Unknown
    Writer:Unknown

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Season 4 Ratings Summary

"Up Ahead" is the best rated episode of "Ace of the Diamond" season 4. It scored /10 based on 0 votes. Directed by Nozomi Ishii and written by Kenji Konuta, it aired on 4/5/2026. This episode is rated 0.0 points higher than the second-best, "For the Team".