You either use action replay or trade it from another game.
you can not catch celebi in Pokemon platinum
You can't, Celebi is obtainable by events. The only way you can find a Celebi in Pokemon Platinum is by cheating.
use the Pokemon modifier
celebi is onlyobtainable throw Nintendo events
Yes you can at the Solaceon Ruins. Battle/Catch 99 Unknown and the 100th Pokemon you see will be Celebi.
I have one in Pokemon platinum one in Pokemon diamond and one in Pokemon crystal
Go to gamestop and get it transforted to ur ds
there was an event for it which is now over. you can still get it by cheating :)
Sadly,You can't get Celebi,Either Migrate Or Use Action Replay
There is no action replay code for getting celebi just catch it in pokemon leaf green
you will have to transfer one from Pokemon diamond, pearl,platinum,soulsilver,and heartgold
Celebi can only be obtained by using the Action Replay, trading for it, or migrating it from Pokemon FireRed, LeafGreen, Ruby, Sapphire, or Emerald to the Pal Park. It cannot be encountered in Pokemon Platinum legitimately currently.