TV series
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Animated comedy set in the futuristic year of 201X, where the world is populated by video game and manga-esque characters.
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Checked Sep 2, 2026
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Animated comedy set in the futuristic year of 201X, where the world is populated by video game and manga-esque characters.
Choose an episode, then use the watch options above for the show.
Episode 1
When K.O. tags along with his mom to work, he discovers the convenience store next door is his key to becoming a great hero.
Directed by Hwang Ki-hoo, John Pham, Toby JonesWritten by Geneva Hodgson, Mira OngchuaGuest stars Melissa Villaseñor, Ben Jones, Chris Niosi
Episode 2
K.O. wants to be as heroic as his new friends Rad and Enid and decides the way to do so is to sneak into Lord Boxman's lair and take him on by himself.
Directed by John Pham, Toby Jones, Chang-woo ShinWritten by Ryann Shannon, Parker Simmons
Episode 3
K.O. sets out to prove to Enid that helping people is rewarding, but then he meets some kids who take advantage of his helpful nature.
Directed by John Pham, Toby Jones, Sunjae Lee, Byungjae OhWritten by Dave Alegre, Haewon Lee
Episode 4
K.O., Rad and Enid accidentally break one of Mr. Gar's prized possessions!
Directed by Toby Jones, Sunjae Lee, Byungjae Oh, John PhamWritten by Stevie Borbolla, Danny Ducker
Episode 5
K.O. battles one of Lord Boxman's robots all by himself, only to be faced with bigger and bigger versions of, before learning that they share something in common.
Directed by John Pham, Toby Jones, Chang-woo ShinWritten by Ryann Shannon, Parker SimmonsGuest stars David Herman, Ashly Burch
Episode 6
When K.O. finally gets a Hero Card, he finds out he's level 100, instantly making him a celebrity and the idol of everyone.
Directed by Hwang Ki-hoo, John Pham, Toby JonesWritten by Stevie Borbolla, Danny DuckerGuest stars Ashly Burch, Ian Jones-Quartey, Mary Elizabeth McGlynn, Kali Hawk, Cole Sanchez, Ben Jones, David Herman, James Urbaniak
Episode 7
When a new robot, Raymond, defeats the three heroes to steal the sign to Gar's, K.O. teams up with Darrell and Shannon to get it back.
Where to watch OK K.O.! Let's Be Heroes
Episode 8
K.O. helps a strange girl from school, Dendy, get the parts she needs to repair her high tech backpack.
Directed by Hwang Ki-hoo, John Pham, Toby JonesWritten by Geneva Hodgson, Mira Ongchua
Episode 9
Rad claims to know everything, which impresses K.O. and annoys Enid. However, his knowledge is put to the test when the group must venture into the mysterious backroom.
Directed by John Pham, Toby Jones, Chang-woo ShinWritten by Ryann Shannon, Parker Simmons
Episode 10
K.O. gets into a verbal fight with Chameleon Jr. ending in a rendezvous between their parents. While Carol tries to resolve things peacfully, Chameleon Sr. isn't so willing.
Directed by Hwang Ki-hoo, John Pham, Toby JonesWritten by Dave Alegre, Haewon Lee
Episode 11
Enid gets turned to stone by a Wizard because he believes she displayed rude behavior towards him. K.O. tries his best to turn her back to normal, as he thinks he is the only one who can because he "gets her".
Where to watch OK K.O.! Let's Be Heroes
Episode 12
When K.O. forgets his name tag, Rad lets him use his, resulting in everyone thinking K.O. is Rad. Along the way, K.O. discovers some personal things about Rad causing him to think that there's more to him than he puts off.
Where to watch OK K.O.! Let's Be Heroes
Episode 13
K.O. is tired of being small, so Rad gives him a candy bar that can increase his size. However, K.O. soon realizes that being big isn't all it's cracked up to be, when he accidentally hurls Mr. Gar's car keys in the sewer while trying to help him (due to his increased size), and must shrink to be able to retrieve them.
Where to watch OK K.O.! Let's Be Heroes
Episode 14
Joe Cuppa, Lakewood Plaza Turbo's local comedian, is all washed up and jobless. K.O., Rad and an unenthusiastic Enid try to help by hiring him to work at Gar's, which is just in time for Shannon's attack on the Bodega.
Where to watch OK K.O.! Let's Be Heroes
Episode 15
K.O. and Rad must run the Bodega and take care of themselves while Enid hangs out with 3 tiny pest-like self proclaimed cool kids that break in through the pipes.
Where to watch OK K.O.! Let's Be Heroes
Episode 16
Rad and Enid reminisce about when they started working at the Bodega, and discovered how amazing Mr. Gar really is. Later, Crinkly Wrinkly barges in to tell the tale of the Plaza's origin.
Where to watch OK K.O.! Let's Be Heroes
Episode 17
After some misdirection from Brandon, K.O. decides to reunite Carol with one of her archenemies for Mother's Day.
Guest stars Jonathan Davis
Episode 18
Boxman captures K.O., Enid and Rad, but seems a little distracted.
Where to watch OK K.O.! Let's Be Heroes
Episode 19
Our heroes play an arcade game that makes them face their greatest fears.
Where to watch OK K.O.! Let's Be Heroes
Episode 20
When Rad posts a video that goes viral, he tries to milk his 15 minutes of fame.
Where to watch OK K.O.! Let's Be Heroes
Episode 21
When an old friend of Enid's comes to town, she gets the opportunity to right an ancient wrong.
Where to watch OK K.O.! Let's Be Heroes
Episode 22
When Rad throws his own prom at the Plaza, K.O. tries to makes sure it goes off without a hitch.
Where to watch OK K.O.! Let's Be Heroes
Episode 23
Love is in the air and Cupid arrives to resolve romantic tension around the plaza.
Where to watch OK K.O.! Let's Be Heroes
Episode 24
K.O. decides to help Ginger recapture her glory days.
Where to watch OK K.O.! Let's Be Heroes
Episode 25
Searching for power, K.O. accepts the help of a mysterious figure; the heroes band together to save the plaza from a new menace.
Where to watch OK K.O.! Let's Be Heroes
Episode 26
Boxman must go 24 hours without attacking Lakewood Plaza Turbo.
Where to watch OK K.O.! Let's Be HeroesEpisode 27
K.O., Rad, and Enid have to think outside the box to defeat Mikayla, a new animalistic robot.
Where to watch OK K.O.! Let's Be Heroes
Episode 28
When K.O. realizes Pow Cards exclude Dendy due to her Kappa heritage, he’s devastated by the clear discrimination. So the two of them decide to sneak into the factory that makes the Pow Cards to see if they can change it.
Where to watch OK K.O.! Let's Be Heroes
Episode 29
When a long-lost hero stumbles into Gar’s, K.O. agrees to help him complete his years long quest.
Guest stars Michael Sinterniklaas
Episode 30
K.O. joins Mr. Gar on a stakeout.
Where to watch OK K.O.! Let's Be Heroes
Episode 31
When Rad and Enid discover that K.O. has been posting embarrassing videos online, they force him to erase them.
Where to watch OK K.O.! Let's Be Heroes
Episode 32
Rad finds love in an unexpected place.
Where to watch OK K.O.! Let's Be Heroes
Episode 33
When Lord Boxman is trashing the Plaza with pollutants, K.O., Rad, and Enid recruit Captain Planet to help.
Guest stars LeVar Burton, David Coburn
Episode 35
K.O. takes part in Lakewood Plaza Turbo's annual Plazalympics competition.
Where to watch OK K.O.! Let's Be Heroes
Episode 36
While trying to fix a malfunctioned mop, K.O. clicks a pop-up on Dendy's "hackpack", causing a glitch virus to invade the Bodega and infect shoppers into glitched CGI zombies.
Where to watch OK K.O.! Let's Be Heroes
Episode 37
It’s Parents' Day at Lakewood Plaza Turbo!
Where to watch OK K.O.! Let's Be Heroes
Episode 38
Enid teams up with Red Action to take on a menace from the future.
Where to watch OK K.O.! Let's Be Heroes
Episode 39
Mr. Gar and Carol fight a villain from their past.
Where to watch OK K.O.! Let's Be Heroes
Episode 40
Lord Boxman forces his way into an exclusive Villains party.
Where to watch OK K.O.! Let's Be Heroes
Episode 41
While Boxman and Venomous are out, Fink is reluctantly babysat by Darrell and Shannon.
Where to watch OK K.O.! Let's Be Heroes
Episode 42
K.O., Rad, and Enid watch the Lakewood Plaza Turbo pilot.
Where to watch OK K.O.! Let's Be Heroes
Episode 43
K.O. helps Dendy with her science fair project.
Where to watch OK K.O.! Let's Be Heroes
Episode 44
A Real Magic Skeleton discovers a new job opportunity.
Where to watch OK K.O.! Let's Be Heroes
Episode 45
K.O. learns the story of how Mr. Logic came to the plaza.
Where to watch OK K.O.! Let's Be Heroes
Episode 46
Dendy fills in for K.O. at the bodega.
Where to watch OK K.O.! Let's Be Heroes
Episode 47
K.O.'s monologue details his journey to being a hero. Dynamite Watkins reports on a day at Gar's. Lord Boxman explains where all the robots come from. K.O., Rad, and Enid try to figure out Mr. Gar's adventure. Enid and Rad switch jobs.
Where to watch OK K.O.! Let's Be Heroes
Episode 48
When a charismatic huckster shows up to the plaza, the product he’s selling turns everything upside down.
Where to watch OK K.O.! Let's Be Heroes
Episode 49
Dynamite Watkins has to go extreme lengths breaking a new story.
Where to watch OK K.O.! Let's Be Heroes
Episode 50
K.O. teams up with Beardo to make the perfect meal for Carol.
Where to watch OK K.O.! Let's Be Heroes
Episode 51
Rad attempts to upgrade his van and make it fly.
Where to watch OK K.O.! Let's Be Heroes
Episode 52
Dendy tries helping K.O. control T.K.O. while Lord Boxman reveals his progeny.
Where to watch OK K.O.! Let's Be HeroesEpisode information updated Sep 18, 2026
Courtenay TaylorK.O. (voice)
Kate FlanneryCarol (voice)
Jim CummingsLord Boxman
Ashly BurchEnid (voice)
Ian Jones-QuarteyDarrell (voice)
David HermanMr. Gar (voice)
Roger Craig SmithSonic the Hedgehog
Colleen O'ShaughnesseyMiles "Tails" Prower
Cartoon NetworkUnited States
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