Searching for power, K.O. accepts the help of a mysterious figure; the heroes band together to save the plaza from a new menace.

When an old friend of Enid's comes to town, she gets the opportunity to right an ancient wrong.

In this epilogue, K.O. finds his life moving unexpectedly fast, as he begins missing moments in his life. As many of his friends and family grow up and move on, he begins to suspect that a villain is behind this odd conundrum. However, no matter how many villains he faces, he cannot keep things from changing. He learns to accept that he needs to grow up and move on in life. A final montage plays depicting what became of everyone, ending with K.O. becoming the new owner of the Bodega and signing off with "Thank you for watching the show!"

Our heroes play an arcade game that makes them face their greatest fears.

K.O. helps a strange girl from school, Dendy, get the parts she needs to repair her high tech backpack.

Love is in the air and Cupid arrives to resolve romantic tension around the plaza.

The Bodega is unexpectedly visited by Sonic the Hedgehog and Miles "Tails" Prower, who aid K.O. in rescuing his friends from Lord Boxman. As Sonic tries to help K.O. with new techniques, Tails feels left out especially when Sonic starts calling him his "little buddy". When K.O. gets roboticized, Sonic must return him to normal.

The Pow Card company decides to hold a tournament with T.K.O. joining for his and Shadowy Venomous' own nefarious scheme. Rad and Enid join in to rescue their friend and stop the villains once and for all. Shadowy Venomous manages to secure the glorb tree for himself and plans to drain the powers of all the heroes in the world. K.O. fights his way out of T.K.O.'s mind and discovers a hidden memory that could very well save his and everyone else's lives.

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.

K.O. joins Mr. Gar on a stakeout.

Enid teams up with Red Action to take on a menace from the future.

Mr. Gar and Carol fight a villain from their past.

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.

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.

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.

Rad finds love in an unexpected place.

K.O. does a school report on Carol.

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.

K.O., Rad and Enid accidentally break one of Mr. Gar's prized possessions!

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.

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.

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.

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.

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.

After some misdirection from Brandon, K.O. decides to reunite Carol with one of her archenemies for Mother's Day.