I don't see a prequel working well. It's probably going to be just Flynn making failing inventions. They really should have done something with the (far superior) sequel's plotline on the food island, even if it's a kiddier, Westerner version of Toriko (only they don't eat the food creatures).
At any rate, the words "on Cartoon Network" sound like it's going to air at 6:30 Am Saturdays for a month and then get replaced with another TTG rerun. So if you're thinking "why the *&*^?!" it'll probably not be around that long. Probably will get pushed to weekend afternoons on Boomerang.
I'm more excited by the news of a Hotel Transylvania series. I'm a sucker for that Monster Mash stuff.
Is there now some kind of unwritten rule that all CGI movies must go to series afterwards?
We've gone through a long period where only Disney was making animated series based on their films, and a
strange line of adult shows based on movies, none of which lasted very long. Shame for Napoleon Dynamite and Black Dynamite, not so much the disappointing Spaceballs. Dreamworks is finding new life with their Netflix deal, after being screwed by Nickelodeon. Other than that, I don't see too many more movies being TV show. Gone are the days of otherwise inappropriate adult live action movies (relatively speaking) being made into kid's programs. Though there's to be a new Ghostbusters cartoon in a couple years, we're not seeing the likes of Men in Black or Beetlejuice any time soon.