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S1:E31 Castles in the Sea
First Aired: April 07, 2008
While playing in the sand on the beach, Duck and Shark discover the perfect home for Shark: a sand castle! But why, oh why, does it disappear every night while Shark is sleeping? When the WordFriends try to hunt down the castle thief, they learn about tides and waves…from a singing Crab. Build A Word: CASTLE
