The Thirsty Hippos (S01E22)

S01E01 The Stubborn Rhinoceros S01E02 The Bat Sisters and the Starry Night S01E03 The Froggy Trio S01E04 The Leap of the Snow Leopard S01E05 Down in the Rabbit Hole! S01E06 Fly, Sugar Glider, Fly! S01E07 Tail-fishing with the Polar Bear S01E08 The Red Panda Masterpiece S01E09 The Otter Brotherhood S01E10 Sweet Dreams, Baby Moon Bear S01E11 Keeping Cool with the Giant Panda S01E12 Chameleon, the King of Hide-and-Seek S01E13 Eating Healthy with the Blue-footed Sula Birds S01E14 The Busiest Beaver S01E15 Woodpecker, the Tree Doctor S01E16 The Winterland Reindeer S01E17 The Flight of the Whooping Crane S01E18 Meerkats, Assemble! S01E19 The Buffalo's Favorite Friend S01E20 The Flamingo Ballet S01E21 Penguins on the Rocking Rock S01E22 The Thirsty Hippos S01E23 The Sprinting Cheetahs S01E24 The Smiling Quokkas S01E25 Perfect Home for the Spectacled Bear S01E26 Ibex, the Rock Climbing Champion