Mickey Mouse Clubhouse season 4 episode 13
Episode title: Mickey's Pirate Adventure
Mickey and pals are enjoying a day at the beach when Peg Leg Pete delivers a note from Goofy’s long lost Grandpappy, Captain Goof-Beard, asking for the gang’s help in ensuring that Harmony-Chord Island, the musical isle where Goof-Beard lives, doesn’t go completely out of tune and sink.
