Pokémon Stadium has a limited edition in Japan that was released in 1998.

Unreleased title　　 →ポケモンスタジアム
Pokémon Stadium →ポケモンスタジアム２
Pokémon Stadium 2 →ポケモンスタジアム金銀

"金銀" means Gold & Silver.

In the limited edition, there was a bonus that Pikachu could learn Surf.
Can you get it at Pokémon Stadium 1 & 2 as well?