There's water everywhere in this collection of three fun and fact-filled episodes of the award-winning children's series "The Magic School Bus." First, wacky Ms. Frizzle manages to shrink everyone down to teardrop size to learn about the water cycle. Then, the class goes on a rocky adventure to discover how erosion takes place. Afterward, the entire gang heads for the bottom of Walkerville Lake for yet another unforgettable field trip.