The Cat in the Hat Knows a Lot About That! (2010)

Season 1: Episode 36

Sally's little maple sapling hasn't grown any bigger. To discover why, the Cat in the Hat takes the kids to meet Dr. Twiggles. With the help of the tree doctor and his songs, Nick and Sally discover how trees eat through their leaves and roots. They also learn that trees grow very slowly. A few more years later, their maple sapling will grow into a maple tree.