Various Hanna Barbera series such as "Frankenstein Jr. & The Impossibles"!
http://tvshowsondvd.com/news/Frankenstein-Jr-Impossibles-Rumors/8325
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http://tvshowsondvd.com/news/Pebbles-Bamm-Bamm-Rumors/8326
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http://tvshowsondvd.com/news/Richie-Rich-Scooby-Doo-Hour-Rumors/8327
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I suppose they're targeting people who like Flintstone spin-offs, superheroes and Scooby Doo.
(Is Tiny Toon Adventures still on the radar Warners?)