Greenblatt estimates he spent about seven years working on Chowder before the show made it to air in 2007 .
Greenblatt pitched the concept to Cartoon Network , and two years later the series was approved with another year for production before the pilot episode aired .
Greenblatt estimates Greenblatt spent about seven years working on Chowder before the show made it to air in 2007 .
Greenblatt pitched the concept to Cartoon Network , and two years later the series was approved with another year for production before the pilot episode aired .