According to Japanese publication Nikkei Net, Nintendo has announced that the Pokémon series will be introduced to the GameCube in Japan this summer. Interestingly, Nintendo reportedly has plans to make it impossible to play the game unless one of the recently released Pokémon GBA games (Pokémon Ruby or Pokémon Sapphire) is connected to the GameCube via the GBA-GC link cable. To date, the Pokémon series has sold 27 million units worldwide.
We'll bring you more as it becomes available.