The Mississippi Museum of Natural Science's swamp exhibit inspires the gang to study alligators.
Investigate the formation of the youngest islands and lava flow at Hawaii Volcanoes National Park.
Learn how cats and hounds help kids heal. "Glo Germ" technology tracks the common cold's source.
Arthur and Buster compete over snow shoveling. Brain wakes up one morning as a cockroach.
Fern tells a frightening tale that scares the whole gang. Binky tries to teach D.W. how to dance.
Pal is itching from an Italian circus flea named Pepe. D.W. wants to be kissed by a boy.
Alex and Andrew learn how hot air balloons fly & visit Albuquerque's International Balloon Fiesta.