The Marvelous Misadventures of Flapjack is an American animated television series made for Cartoon Network that started on June 5 , 2008 . The Marvelous Misadventures of Flapjack ( also known as The Misadventures of Flapjack or just simply Flapjack ) is an Emmy-winning American animated television series produced for Cartoon Network that premiered on June 5 , 2008 .