YooHoo to the Rescue Season 1 Episode 22 The Thirsty Hippos Episode Title: The Thirsty Hippos Episode Description: The crew meets three hippos who ask to seek out the cause of the recent drought. They bring one of the hippos to the source of water and sees that it is being blocked by coconut shells. The hippo admits to littering after eating the coconuts which somehow ended up clogging the water source, resulting in the dry pond. The crew helps with the clogging, and the hippo promises not to litter.