Mass Hip-po-sis!
S10:E44Ash, Dawn and Brock discover a lost Hippopotas and set off to return it to its herd. However, they have to fend off Team Rocket's attacks and the Hippopotas' sleep-inducing ability to succeed in their quest.
Ash, Dawn and Brock discover a lost Hippopotas and set off to return it to its herd. However, they have to fend off Team Rocket's attacks and the Hippopotas' sleep-inducing ability to succeed in their quest.