you have beat the elite four first.prof oak will give a different pokèdex and have to help bill's firend get a sappire.go to cerulean city and you can go to the cave
i dont know why everyone thinks there is a mew in fire red. there isnt! but lucky for you my friend.... there is a mewtwo in Cerulean Cave
no you cant
no
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...
in culerian cave i dont know how to spell it but ya after national dex lv 70
how to catch mew in fire red.you have to have all your Pokemon in your party and boxes at level 100 and have beaten the elite 4 100 times then go to cerulean cave and at least have 1 master ball and there you got it a mew in fire red.
um listen Pokemon fire red does not have mew only mewtwo and that's in cerulean cave
You cannot catch Mew in "Pokémon Ruby."or you can get mew-two in fire red or leaf green.
you will get mew in the cerulean cave at the bottom part
No mewtwo is there
i dont know why everyone thinks there is a mew in fire red. there isnt! but lucky for you my friend.... there is a mewtwo in Cerulean Cave
no you cant
you can't get mew in leaf green you get it in fire red
gAME sHARK
You Can't you need to trade it from fire red or leaf green
yes......... get a life
You can't get a Mew unless you cheat, I think. A Mewtwo you can only catch in Fire Red\Leaf Green and transfer to your Pearl.