If it is right after a battle chances are your Pokemon got poisoned and it will keep flashing until you either heal it or it faints.
They disappear forever.
Nothing happens.
You start a new game and start over.
i guess nothing
its impossible
if you did, congradulations! you beat the whole game!
Turn of the game
YOU Win The Game DUMMy What ELse
Get a action replay and cheat your game its at game stop.
Pokemon pearl is just like any other Pokemon game : you've got to catch em all
Its for me to know and you to find out. play the game.
you win the game.