Pingu Digs a Hole

S5, E3: When Father uses a shovel to get the snow off his snowcart, Pingu decides to try out a bit of digging for himself. Soon he and Robby are tunnelling around the neighbourhood and things start sinking into the snow in their wake! Pingu and Robby find themselves in trouble when the Fishmonger loses a crate of his fish and Mother and Father's picnic disappears below ground!