You can't you have to get a special event or action replay
You cannot catch Celebi in Pokemon Soulsilver, you have to transfer it from Diamond and Pearl (if you have it in those games).
You'll have to have received it from a special event.
Celebi is unotainable Only through an event in which u can get Celebi
no.
You cannot catch Celebi in Pokemon Diamond.
you have to trade the event celebi from heartgold, soulsilver, diamond, pearl, or platinum. you cant regularly catch him in the wild.
Migrate it.
You literally can't. There was an event where you could get a celebi from gamestop sent to your Diamond, Pearl, Platinum, Heartgold, or Soulsilver, and that celebi could be transferred to white, but the event ended on March 6, 2011.
neither of them is better, they are both the same, but in diamond, you catch dialga, and in pearl, you catch palkia, and you can catch different Pokemon in each game for example: you can catch this Pokemon in diamond, but not pearl but: you can catch this different Pokemon in pearl, but not diamond
you cant you have to migrate to get celibe
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.
You cannot catch palkia in diamond and dialga in pearl but you can catch both of them in Pokemon platinum