Is it possible to get an Oshawott in Pokemon XY or ORAS?

Question

I'm trying to complete my Pokedex.

Answer 1

From Professor Birch on Route 101 after completing the Delta Episode

source

Comments

And then you can get a starter from Johto and Sinnoh after rematching the Pokémon League. Once for Johto and once for Sinnoh. Johto is after Unova. There's also a bug where you can go in and then back out of your house to get the next set after Unova. And the next.

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show me this bug.

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You do realize that Lunala hasn't been active for 5 months? You're better off asking a separate Pokebase question.

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I don't realize that Lunala hasn't been active for 5 months, actually, since I'm only just getting back on the site as well.