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OK K.O.! Let's Be Heroes poster

OK K.O.! Let's Be Heroes

Ended 2017–2019
80
Audience
Action & Adventure, Comedy, Family, Sci-Fi & Fantasy, Animation, Kids
Starring Courtenay Taylor · Ashly Burch · Ian Jones-Quartey
Amazon Video Available on Amazon Video
OK K.O.! Let's Be Heroes poster
Amazon Video Available on Amazon Video
TV Trailers
80
Audience
Seasons
Watch the Series
3 seasons in the series · Explore all

Where to Watch

Region
Prices last updated September 24, 2026. Pricing and availability may vary by region.
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Seasons

All seasons
Season 1 S1
2017 - 52 eps
Season 1
Season 2 S2
2018 - 37 eps
Season 2
Season 3 S3
2019 - 19 eps
Season 3

About

Animated comedy set in the futuristic year of 201X, where the world is populated by video game and manga-esque characters.

First Aired
Aug 1, 2017
Last Aired
Sep 6, 2019
Seasons
3
Episodes
108
Network
YouTube
Studio
Cartoon Network Studios
Keywords
superhero nostalgic child protagonist complex loving playful hilarious adoring appreciative approving awestruck comforting exhilarated exuberant powerful vibrant anime inspired

News

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TV Review: ‘Mythic Quest’ Season 4

TV Review: ‘Mythic Quest’ Season 4

‘Mythic Quest’ Season 4 receives 6.5 out of 10 stars. Arriving on Apple TV+ on Wednesday January 29th with its first two...

Moviefone ·

Cast

Full credits →
C
Courtenay Taylor
K.O. (voice)
A
Ashly Burch
Enid (voice)
I
Ian Jones-Quartey
Rad (voice)
K
Kate Flannery
Carol (voice)
D
David Herman
Mr. Gar (voice)
J
Jim Cummings
Lord Boxman

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