OK K.O.! Let's Be Heroes
Set in a neon bright near future, the story unfolds in year 201X where the city feels like a living video game and every corner nods to manga. Creatures born from arcade cabinets and online adventures share the streets with everyday kids. The heart is K.O., a cheerful rookie who runs a hero... Read more
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Streaming availability last verified: January 16, 2026
About OK K.O.! Let's Be Heroes
Set in a neon bright near future, the story unfolds in year 201X where the city feels like a living video game and every corner nods to manga. Creatures born from arcade cabinets and online adventures share the streets with everyday kids. The heart is K.O., a cheerful rookie who runs a hero rental shop and longs to do real deeds. He teams with Enid, a fearless friend who keeps spirits high, and Rad, a laid back mentor who keeps the group grounded. Each episode drops the trio into brisk, colorful adventures that celebrate teamwork and quick thinking, with plenty of humor and heart. No spoilers, just fun. Its humor lands with a wink for both kids and grown ups.
Created by Ian Jones-Quartey, OK K.O.! Let's Be Heroes began as an original Cartoon Network series in 2017. The show sprang from a playful concept rather than adaptation and benefited from Cartoon Network Studios' collaborative spirit, polished animation, and a soundtrack that keeps pace with the action.
The show earned nominations and recognition from industry groups for its animation and voice work, highlighting its bright style and upbeat energy. Its humor and heart were celebrated by audiences, with numerous fans appreciating how easily it blends gaming vibes with family friendly storytelling.
The series left a playful imprint on animation by embracing video game aesthetics and genre awareness in a family friendly voice. Fans shared fan art and memes, organized watch parties, and created fan fiction that kept the character world alive between episodes.
Critics and audiences noted a strong friendship focus, teamwork and a can do attitude. The show sits around a 7.976 out of 10 rating from 83 votes, indicating solid appreciation for its energy and humor, and suggesting it resonates with viewers who enjoy playful action and heart.
Details
- Release Date
- August 01, 2017
- User Ratings
- 83 votes
- Type
- TV Series
- Seasons
- 3
- Episodes
- 108
- Genres
- Animation, Comedy, Action & Adventure, Family, Kids, Sci-Fi & Fantasy
Official Trailer
Cast
Courtenay Taylor
K.O. (voice)
Ashly Burch
Enid (voice)
Ian Jones-Quartey
Rad (voice)
Kate Flannery
Carol (voice)
David Herman
Mr. Gar (voice)
Jim Cummings
Lord Boxman
Created by: Ian Jones-Quartey
Seasons (3 seasons, 108 episodes)
Season 1
52 episodes - 2017
Season 2
37 episodes - 2018
Season 3
19 episodes - 2019