If you go to the National Park on Tuesday,Thursday or Saturday, you can use your ninja capturing skills to get a Caterpie, Metapod or Butterfree.
In the Bug Catching contest.
Pre National Dex- Level 7-18
Post National Dex- Bug Catching contest Tuesday- Level 24-36.
Chat with our AI personalities
You can catch a caterpie or metapod at the national park north of goldenrod city. After you catch the caterpie evolve it to a Metapod and then evolve it to a Butterfree.
Caterpie can evolve into metapod starting at level 7. The evolution conditions for caterpie are not different in Pokemon Yellow from other pokemon games.
Caterpie
Caterpie evolves into Metapod, starting at level 7, then Metapod can evolve into Butterfree at level 10.
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