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.