You get it in a trade.
You can't
no,you can't
it's completely impossible
You cant...You must get it off of Gale of Darkness
The only way I know is Action Replay/ Gameshark
you can't get a celebi in Pokemon diamond, you only can get celebi by trading, migrating or by using action replay
You need to wight for an even to get celebi at Game Stop.
you should have the mystery gift and mystic ticket to get access to the island's 8 and 9, you will find a lot of rare Pokemon there
dialga palkia uxie azelf mesprit regis regigigas deoxys celeby manaphy phionie etc.
leave celeby n your PC box not on Pokemon black or white and it should probably say no:1 items (Pokemon) and it will save the games
They Don't Hatch.it's a celebi egg. on my heart gold game i used an action reply for the 1st pokemon in box one will be a shiney celeby and it was
Flash can be found on Route 2 in Pokemon Yellow Version.