Pingu - Series 5 - Pingu and the Message in a Bottle

Adventures of a cheeky little penguin. Instead of a fish, Pingu and his friends catch a bottle containing a mysterious map. The map leads them to an old chest with a shell inside. After a disagreement, Pingu's friend takes the chest and Pingu is left with the unremarkable shell. But when they get home, they discover that the shell holds treasure of its own.