Watch full episodes and play Odd Squad games at http://pbskids.org/oddsquad !
Ocean and fly-Oona visit the cave of Captain Butterbeard, a pirate who makes butter. After picking a label for his new butter, they look for a pearl from his treasure chest that is exactly 9 inches in diameter. But wait! They can’t use a ruler to measure diameter because pearls are round…lucky that Ocean has a measuring tape!
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