The children encounter Merlin the Magician and learn how he saved the town of Helix from a herd of marauding dragons. Presto decides to become Merlins apprentice, but in his attempt to find a spell which could send his friends and himself home, he unleashes the dragons upon Helix once more.\r
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Writer: Mark Evanier.\r
Original Air Date: September 17, 1983.\r
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