DUCKTALES Ð "Woo-oo!" - Donald Duck reluctantly takes his nephews Huey, Dewey and Louie to the home of their reclusive great-uncle Scrooge McDuck. Enthralled by their once legendary great-uncle and the wonder of McDuck Manor, the triplets and their newfound fierce friend Webby learn of long-kept family secrets and unleash totems from ScroogeÕs epic past, sending the family on an adventure of a lifetime to the Lost City of Atlantis. "DuckTales" premieres in a one-hour television movie to be presented for 24 consecutive hours, SATURDAY, AUGUST 12 (beginning at midnight EDT/PDT), on Disney XD. (Disney XD) SCROOGE MCDUCK, DEWEY, HUEY, LOUIE, WEBBY VANDERQUACK, LAUNCHPAD MCQUACK