From Wikipedia:
So, what if Nick picks up Adventure Time for a full series? Does Cartoon Network continue with CN Real? Or do they find another cartoon to fill in Adventure Time's niche?
Federator Studios then pitched an Adventure Time series to Nicktoons Network, which rejected it twice.[17] Eventually, Nicktoons' rights to commission a full series expired, and Frederator—the short's production animation studio—pitched it to other channels.[18] One of the studios that Frederator approached was Cartoon Network, which said it would be willing to produce a series if Ward could prove the short could be expanded into a full series while maintaining elements of the pilot.
So, what if Nick picks up Adventure Time for a full series? Does Cartoon Network continue with CN Real? Or do they find another cartoon to fill in Adventure Time's niche?