If your referring to releasing them in Pokemon ranch, then you can always bring them back.
No, you cannot catch a mew in Pokemon Platinum without cheating.
where can you find mew in pokemon fire-red without any cheats at all cuz i really need one
You cant get a Mew without hack
in Pokemon yellow, blue, red, fire red, and leaf green you can find mew-two in cerulean cave after you have beten the game, but for mew at the moment you can not get it without cheats...
Not at all mew is an event Pokemon for Pokemon emerald.
mystery gift
You can't find mew without an event. Sorry.
You can't get Mew without hacking. Mew can't be caught in fire red.
you can get mew and mewtwo by migrating it from Pokemon fire/green
mew is the Pokemon that poke-scientists think was the first Pokemon ever. they think all Pokemon originated from mew since it can learn all kinds of moves.
you can not get mew without the mew glitch but if you go to the end of cerulean cave you can get mewtwo
there is a mew in Pokemon soulsilver but you need to catch all leadndery Pokemon including event Pokemon