Short Answer: Celebi is not available in Japan/USA/UK Long Answer: Nintendo, however does give these Pokemon out during special events; it is rather unfortunate that they do not yet have an event, thus, unless you have a hex-digit code translator i.e. Action Replay or GameShark, you can not get Celebi!!!. These event have now stoped
PS. DO NOT BELIEVE ANYONE WHO SAYS OTHERWISE!!!! If you know someone who has Celebi. they hacked it into their game. -not all read blow
No you cannot catch Celebi in Pokemon Emerald.
if you have emerald or Pokemon migrate celebi and 5pokemons in pal park
you can't
trade it from Pokemon naranja(GBA)(DS)
Celebi cannot be caught in Pokemon Emerald by normal means. You'll need a cheating device such as a Gameshark or Action Replay to encounter one.
Celebi is not obtainable in any games, but is obtainable from the Colosseum Bonus Disc in Japan or form a Pokemon event distributing Celebi.
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you can use gameshark code
I got my Celebi for Emerald from the Pokemon 10th Anniversary. You can only get it through Pokemon events, or cheat devices such as Action Replay.
The only game you can currently get Celebi in is Emerald version (until the Celebi event happens for HG/SS).
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you get celebi on a gba game such as... ruby Sapphire emerald fire red leaf greenYou cannot catch Celebi in Pearl. Celebi is a Special Event accessible Pokemon only.