16:59Pokémon: Diamond and PearlSeries 10Mass Hip-Po-Sis!CBBC Duration: 19 minutes Thu 13th Jun 2024, 16:59 on BBC Pokemon ChannelAvailable for 3 monthsWatch nowAsh's Turtwig brings everyone's attention to a stranded young Hippopotas.GenresChildren'sBrandPokémon: Diamond and PearlSeriesPokémon: Diamond and Pearl: Series 10 Source: BBC Online