Metapod was encountered at Vermilion Forest. Goh caught Metapod shortly after Goh and Ash knocked it out of a tree. Metapod and the rest of the Kanto Bug-type Pokémon Goh caught were brought back to the Cerise Laboratory where Professor Cerise kept them in storage for Goh.
None of Metapod's moves are shown.
At the Cerise Laboratory