The Marvelous Misadventures of Flapjack (2008)

S2E8 K'nuckles and His Hilarious Problem

Flapjack sets out to help Captain K'nuckles overcome his overwhelming candy addiction when he finds that K'nuckles is suffering from a serious condition known as "candy rot." Determined to save his friend from the dire consequences of his sweet tooth, Flapjack embarks on a mission to wean K'nuckles off his sugary obsession.