OK K.O.! Let's Be Heroes - Season 3 - Eps 19: Thank You for Watching the Show
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!"
About OK K.O.! Let's Be Heroes

Title: OK K.O.! Let's Be Heroes
First Air Date: 2017-08-01
Last Air Date: 2019-09-06
Status: Ended
Rating: 7.8/10 (from 74 votes)
Language: EN
Seasons: 3
Total Episodes: 108
Network: Cartoon Network
Genres: Animation, Comedy
Production Companies: Cartoon Network Studios
Synopsis
Animated comedy set in the futuristic year of 201X, where the world is populated by video game and manga-esque characters.
Cast

David Herman
Brandon

Ian Jones-Quartey
Rad

Courtenay Taylor
KO

Kate Flannery
Carol

Ashly Burch
Enid