Season
- Season 3 2019-07-07
- Season 2 2018-05-03
- Season 1 2017-08-01
- Season 0 2013-05-21
Episode
- Episode 1: Let's Be Heroes
- Episode 2: Let's Be Friends
- Episode 3: You're Everybody's Sidekick
- Episode 4: We Messed Up
- Episode 5: Jethro's All Yours
- Episode 6: You're Level 100!
- Episode 7: Sibling Rivalry
- Episode 8: I Am Dendy
- Episode 9: Do You Have Any More in the Back?
- Episode 10: My Dad Can Beat Up Your Dad!
- Episode 11: You Get Me
- Episode 12: You Are Rad
- Episode 13: Just Be a Pebble
- Episode 14: Presenting Joe Cuppa
- Episode 15: We've Got Pests
- Episode 16: Legends of Mr. Gar
- Episode 17: Know Your Mom
- Episode 18: We're Captured
- Episode 19: Face Your Fears
- Episode 20: Everybody Likes Rad?
- Episode 21: You Have to Care
- Episode 22: Plaza Prom
- Episode 23: Second First Date
- Episode 24: One Last Score
- Episode 25: T.K.O.
- Episode 26: Stop Attacking the Plaza
- Episode 27: We've Got Fleas
- Episode 28: No More Pow Cards
- Episode 29: A Hero's Fate
- Episode 30: Let's Have a Stakeout
- Episode 31: KO's Video Channel
- Episode 32: Rad Likes Robots
- Episode 33: The Power Is Yours
- Episode 34: Glory Days
- Episode 35: Plazalympics
- Episode 36: We Got Hacked
- Episode 37: Parents' Day
- Episode 38: Back in Red Action
- Episode 39: Let's Take a Moment
- Episode 40: Villains' Night Out
- Episode 41: Villains' Night In
- Episode 42: Let's Watch the Pilot
- Episode 43: Mystery Science Fair 201X
- Episode 44: RMS & Brandon's First Episode
- Episode 45: Lad & Logic
- Episode 46: OK Dendy! Let's Be K.O.!
- Episode 47: Plaza Shorts
- Episode 48: Let's Not Be Skeletons
- Episode 49: Action News
- Episode 50: The Perfect Meal
- Episode 51: Hope This Flies
- Episode 52: You're in Control
OK K.O.! Let's Be Heroes Season 1 We're Captured
Animated comedy set in the futuristic year of 201X, where the world is populated by video game and manga-esque characters.
