The only legitimate way to obtain Celebi and Mew is through a Nintendo event. In FireRed and LeafGreen you will need an event-only item to travel to the last two islands where you can catch those Pokemon
you can not catch him
You Can Not Catch Celabi In Pokemon Firered Unless you trade with pokemon heartgold or soulsilver.
The only way to catch Celebi in Pokemon FireRed Version was to get the special Pokemon from a event. The only other way would be to cheat using an action replay device with a code.
I don't think you can catch celebi at all in fire red. There is one way though bring your gameboy/ds with a wireless adapter to a Pokemon convention to get celebi.
you really can't catch celebi in a Pokemon game without cheats
You can't catch celebi in pokemon white.
you can not catch celebi in Pokemon platinum
It is not possible to obtain Celebi in Emerald without the use of a cheat device.
You cant catch a celebi without an actionplay!
No you cannot catch Celebi in Pokemon Emerald.
You cant without cheating
NO,you will have to trade it to evolve it.
Except by using cheats, you can NOT catch Celebi in Pokemon Emerald.
You cannot catch Celebi in Pokemon Soulsilver, you have to transfer it from Diamond and Pearl (if you have it in those games).
You can't get Celebi in Pokemon Heartgold or Soulsilver.
You cannot catch Celebi in Pokemon Diamond.
its impossible without gameshark or action replay.