The Renkins teach George the proper way to create compost for the garden after he makes a mess.
Frog notices that Kangaroo's mail train is headed straight for a broken track. It's Frog's birthday!
Sid learns that rain comes from clouds and is really important because it helps living things grow.
Fern spins a tall tale to convince Brain that giant worms are really attacking Elwood City!
D.W. saves the day when she finds a fallen wedding ring. The kids clean up Elwood City's park.
The countryside catches worm-racing fever when George's prize worm enters a championship race.
Learn how cats and hounds help kids heal. "Glo Germ" technology tracks the common cold's source.