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!

Episode 1
Seasons Change
May 4, 2018
When our heroes return from time off, KO is horrified to discover that things have changed.

Episode 2
Lord Cowboy Darrell
May 4, 2018
Everyone is forced to deal with some major changes at Boxmore.

Episode 3
Plaza Film Festival
May 4, 2018
When the plaza has its own film festival, KO, Enid and Rad are sure their entry will win!

Episode 4
Be a Team
May 4, 2018
Mr. Gar brings in some team building experts to help KO, Enid and Rad.

Episode 5
My Fair Carol
May 4, 2018
KO, Enid and Rad team up to help Carol out with a special occasion.

Episode 6
Let's Watch the Boxmore Show
May 4, 2018
Our heroes discover that the Boxmore security camera feed is the most entertaining thing ever.

Episode 7
Your World Is an Illusion
May 4, 2018
KO tries to help a hero in need and ends up needing some help of his own.

Episode 8
The So-Bad-Ical
May 4, 2018
When a new substitute shows up, KO and Dendy decide they need to get their old teacher back.

Episode 9
Point to the Plaza
May 18, 2018
When a Gloop infestation takes over the plaza, Point arrives to contain the situation.


Episode 11
Red Action to the Future
May 19, 2018
When Red Action is called to the future for an epic battle, Enid is unsure of what to do.

Episode 12
Dendy's Power
May 18, 2018
Dendy and KO discover a fun and exciting new POW Card exploit.


Episode 14
Wisdom, Strength, and Charisma
July 2, 2018
When Enid goes to a new school, KO sets out to make sure she fits in.


Episode 16
Are You Ready for Some Megafootball?
Lakewood's Megafootball team takes on their rival in a big game.


Episode 18
Crossover Nexus
October 8, 2018
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.

Episode 19
Monster Party
October 19, 2018
Enid is faced with a choice when her old friends from Ghoul School show up.

Episode 20
Super Black Friday
October 26, 2018
After being forced to work on a holiday, KO, Rad and Enid take a stand.

Episode 21
Final Exams
November 2, 2018
KO, Enid and Rad team up with an unlikely ally to take on an unlikely foe.

Episode 22
CarolQuest
November 9, 2018
Carol is forced to bring KO along as she defends the Plaza from a new threat.

Episode 23
Soda Genie
November 16, 2018
When KO, Rad, and Enid find a soda bottle with a genie in it, they get more than they bargained for.

Episode 24
Plaza Alone
November 23, 2018
It's KO's birthday, and Rad and Enid want to make sure everything goes perfectly.

Episode 25
Boxman Crashes
November 30, 2018
Lord Boxman crashes at Venomous’ lair and inserts himself into his villainous affairs.

Episode 26
All in the Villainy
December 7, 2018
KO, Rad and Enid are confused to find the villains are more interested in battling each other than them.

Episode 27
Sidekick Scouts
December 14, 2018
KO gets more than he bargained for when he gets a sidekick.

Episode 28
Whacky Jaxxyz
December 21, 2018
When the hot new toy trend of Whacky Jaxxyz comes to Lakewood, KO says goodbye to his POW Cards.

Episode 29
Project Ray Way
December 28, 2018
When Raymond starts his own fashion line, Rad and Drupe decide to make something even better.

Episode 30
I Am Jethro
January 4, 2019
When a different kind of Jethro rolls off the assembly line, the plaza is in for some surprises.


Episode 32
Gar Trains Punching Judy
January 18, 2019
With a big fight coming up, Punching Judy turns to KO and Gar to help her prepare.

Episode 33
Beach Episode
January 25, 2019
Surf’s up on a wacky beach adventure when our heroes are challenged to the ultimate beach battle.

Episode 34
OK A.U.!
February 1, 2019
An evil warlock takes our heroes to a strange alternate universe.

Episode 35
KO’s Health Week
February 8, 2019
KO spends a week dispensing healthy tips to everyone in the plaza.

Episode 36
Rad’s Alien Sickness
February 15, 2019
When our heroes are infected with a virus, Rad stubbornly refuses to back down.

Episode 37
Dark Plaza
February 22, 2019
KO and the heroes of the Plaza fight to save Lakewood Plaza Turbo with everything on the line.