When Huey, Louie and Dewey turn sleuth, Donald foxes them with phony clues in Carl Barks' classic "Thug Busters!" Then "For School the Bell Tolls" when Donald becomes a truant officer. Fethry Duck turns ape-man in "Simian Similarity," then "Brer Rabbit's Secret" gets leaked in a rare 1947 Paul Murry classic! Finally, Floyd Gottfredson's "Mickey's Dangerous Double" concludes with a battle of identical good versus evil!