OK K.O.! Let's Be Heroes contains a couple of cultural references.
OK K.O.! Let's Be Heroes Referenced in Other Media
- In the Steven Universe episode, "Future Boy Zoltron", OK K.O.! Let's Be Heroes was being referenced as an arcade game in the background of Arcade Mania.
- K.O. made a cameo appearance as a playable video game character in the Craig of the Creek, episode "Power Punchers."
- Gar's Hero Supply & Bodega has been referenced in the Craig of the Creek episode "Turning the Tables". The Bodega functioned as a background store but had some minor alterations by having the store called "Gar's Sport Nutrition" with "Gym Hero Supply" as a secondary sign. Especially, K.O.'s silhouette can be viewed on the doors.
- A Jeopardy! question referenced the show's title name. The question was "Let's Be Heroes" is the subtitle of this Cartoon Network series about a heroic boy who shares his name with a boxing abbreviation. This question was from the category called "A 'OK' category".
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