

This Hippopotas was later returned to his herd, and Bonnie bid it farewell. It played a crucial role in restoring the broken Prison Bottle during the climactic battle in Dahara City. Multiple Hippopotas appeared in Hoopa and the Clash of Ages, where one of them was borrowed by Ash and his friends for its Ground-type attacks.

Its known moves are Yawn, Sand Attack, Sand Tomb, and Sandstorm. In this episode, Butch and Cassidy also wanted to kidnap the Hippo Pokémon, but they failed. Hippopotas reappeared in Sleight of Sand! with his father Hippowdon.

Later, the group were able to reunite Hippopotas with his herd. With the assistance of Nurse Joy, Ash and his friends fetched a sackful of dry sand to help Hippopotas recover. Hippopotas fell into a stream after one of Team Rocket's attempts to capture him. All the while, Jessie had trouble saying the Pokémon's species name. Team Rocket attempted to steal Hippopotas multiple times for Giovanni, but their plans were foiled each time. Like a few other Pokémon, Hippopotas seemed to like riding atop of Ash's head. As a result, Ash and his friends helped Hippopotas find his way back. It was then discovered that Hippopotas was lost, having been separated from his herd. Rhonda and her Sinnoh Now crew revealed that they were on assignment filming a herd of Hippo Pokémon. Hippopotas debuted in Mass Hip-Po-Sis!, where Ash, with the aid of his friends, rescued the Pokémon from being trapped upon a high ledge. The recurring male Hippopotas Hippopotas (recurring) Despite its large and heavy appearance, it may remain undetected, due to how well it hides in the sand. Hippopotas are more active during the day and burrows into sand during the cold desert nights. It also keeps its mouth open while traveling in sand, swallowing any sand and prey along the way. When it walks through the sand, it shuts its nostrils. It covers itself in sand as a protective measure against germs and expels sand instead of sweat. Hippopotas spends its time bathing in sand and avoids water at all costs. Each of its feet has two blunt claws, and it has a small tail. Its torso has mottled coloring and a small hole on its back. Its eyes and small ears protrude from the top of its head. It has a large snout with round, protruding nostrils. Its skin color depends on gender: if male, it is tan with dark brown patches, and if female, its coloring is reversed. Hippopotas is a quadrupedal, hippopotamus-like Pokémon that is most commonly found in deserts and other arid places.
