In August of this year, fans of the OK K.O.! Let's Be Heroes series were left disappointed after Cartoon Network officially confirmed that the show was not going to be renewed; ending its run after three short seasons.
One of the things OK K.O.! Let's Be Heroes was known for, was the sheer amount of crossovers that the show did. Some of these crossovers included Ben 10, Steven Universe, and even some heavy hitters like Sega's very own, and iconic Sonic the Hedgehog.
In a recent tweet, Toby Fox — producer of OK K.O.! Let's Be Heroes — shared an animatic when he and series creator Ian Jones-Quartey were pitching the show to companies. Now that the show has been cancelled, Fox decided to share this animatic, which he reveals they didn't end up using.
What's interesting is that this animatic shows a lot of potential characters that could show up in crossover episodes; from video game characters like Mega Man and the Star Fox team, to Space Ghost and even anime characters like Astro Boy and Sailor Moon.
Take a look:
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