The 1 season of OK K.O.! Let's Be Heroes was broadcast on Cartoon Network from mardi 1 août 2017 to mercredi 22 novembre 2017. It consists of 58 episodes, the first one is called "Let’s Be Heroes" and the last one "Enid Vs. Rad".
OK K.O.. Let's Be Heroes follows the titular character, K.O., and his efforts to become the world's greatest hero while working at Gar's Bodega, a hero supply shop in the Lakewood Plaza strip mall. Alongside him are his best friends and co-workers Radicles, an apathetic, narcissistic alien, and Enid, a levelheaded big sister-like employee, as well as other heroes who work and frequent the area.