37 episodesFirst aired 3 May 2018
Things are really changing around Lakewood Plaza! Darrell's the Head Robot In Charge at Boxmore, Red Action's called back to the future... and what lies in store for Enid? Will K.O. be able to handle all this chaos with the wicked T.K.O. looming in his brain? This season of OK K.O.! Let's Be Heroes will put K.O.'s hero ability to the test!
E1May 201811m
When our heroes return from time off, KO is horrified to discover that things have changed.
E2May 201811m
Everyone is forced to deal with some major changes at Boxmore.
E3May 201811m
When the plaza has its own film festival, KO, Enid and Rad are sure their entry will win!
E4May 201811m
Mr. Gar brings in some team building experts to help KO, Enid and Rad.
E5May 201811m
KO, Enid and Rad team up to help Carol out with a special occasion.
E6May 201811m
Our heroes discover that the Boxmore security camera feed is the most entertaining thing ever.
E7May 201811m
KO tries to help a hero in need and ends up needing some help of his own.
E8May 201811m
When a new substitute shows up, KO and Dendy decide they need to get their old teacher back.
E9May 201811m
When a Gloop infestation takes over the plaza, Point arrives to contain the situation.
E10May 201811m
TKO is getting restless.
E11May 201811m
When Red Action is called to the future for an epic battle, Enid is unsure of what to do.
E12May 201811m
Dendy and KO discover a fun and exciting new POW Card exploit.
E13Jul 201811m
Enid and Rad go on a road trip to deliver a package.
E14Jul 201811m
When Enid goes to a new school, KO sets out to make sure she fits in.
E1511mNot yet aired
Enid is forced to confront lingering issues from a past friendship.
E1611mNot yet aired
Lakewood's Megafootball team takes on their rival in a big game.
E1711mNot yet aired
KO, Enid and Rad attempt to solve a mystery.
E18Oct 201811m
In the Cartoon Network City, K.O. is summoned by the villain Strike who plans on eradicating all the heroes from the Cartoon Network Universe. Now K.O. must team up with Garnet from Steven Universe, Ben Tennyson from Ben 10 and Raven from Teen Titans Go! to stop him.
E19Oct 201811m
Enid is faced with a choice when her old friends from Ghoul School show up.
E20Oct 201811m
After being forced to work on a holiday, KO, Rad and Enid take a stand.
E21Nov 201811m
KO, Enid and Rad team up with an unlikely ally to take on an unlikely foe.
E22Nov 201811m
Carol is forced to bring KO along as she defends the Plaza from a new threat.
E23Nov 201811m
When KO, Rad, and Enid find a soda bottle with a genie in it, they get more than they bargained for.
E24Nov 201811m
It's KO's birthday, and Rad and Enid want to make sure everything goes perfectly.
E25Nov 201811m
Lord Boxman crashes at Venomous’ lair and inserts himself into his villainous affairs.
E26Dec 201811m
KO, Rad and Enid are confused to find the villains are more interested in battling each other than them.
E27Dec 201811m
KO gets more than he bargained for when he gets a sidekick.
E28Dec 201811m
When the hot new toy trend of Whacky Jaxxyz comes to Lakewood, KO says goodbye to his POW Cards.
E29Dec 201811m
When Raymond starts his own fashion line, Rad and Drupe decide to make something even better.
E30Jan 201911m
When a different kind of Jethro rolls off the assembly line, the plaza is in for some surprises.
E31Jan 201911m
Gar and KO team up for a secret mission.
E32Jan 201911m
With a big fight coming up, Punching Judy turns to KO and Gar to help her prepare.
E33Jan 201911m
Surf’s up on a wacky beach adventure when our heroes are challenged to the ultimate beach battle.
E34Feb 201911m
An evil warlock takes our heroes to a strange alternate universe.
E35Feb 201911m
KO spends a week dispensing healthy tips to everyone in the plaza.
E36Feb 201911m
When our heroes are infected with a virus, Rad stubbornly refuses to back down.
E37Feb 201911m
KO and the heroes of the Plaza fight to save Lakewood Plaza Turbo with everything on the line.