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"Ducky Dearest" has Huey, Dewey, and Louie attempt to throw a surprise party for their Uncle Donald's birthday, but the way they act while trying to hide everything causes Donald to mistake them for doing illegal things behind his back, which causes things to go downhill from there. At the end of the episode, the triplets have no choice but to give their uncle his presents early. Donald is so touched to see what his nephews have done for him, and they finish off the revelation with a statement of "Happy Birthday, Uncle Donald!"