Z is for Zebra - Playing an alphabet game inspires the Explorers to head to the grasslands of Africa in order to learn about zebras. What's Up Giraffes? - When Skip's kite gets stuck up in a tree, Izzy is there to rescue it. But the Explorers wonder what they would have done without Izzy's help. So they head out to learn about giraffes and other animals that can reach high places.