Time to put on your party hats and dancing shoes - D.W. is turning five! When her birthday doesn't go as planned, D.W. runs away to the magical island of Ukubonga. Meanwhile, Arthur has skipped her birthday party to go on a school trip to the planetarium - but instead of transporting him into outer space, it transports him 4 years into the future! This is one party you don't want to miss.

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