The Marvelous Misadventures of Flapjack (2008)

S1E7 Cammie Island

Captain K'nuckles and Flapjack sneak aboard a vessel they think is headed for Candied Island, but they find themselves on the enigmatic Cammie Island instead. There, Flapjack forms a bond with the island's misunderstood and lonely creature, discovering its gentle nature and deeper emotions.