Before Black City and after Marvelous Bridge.
No, but you can transfer from platinum to black or white using poketransfer of relocater.
First, you have to transfer firered version pokemon to diamond, pearl, platinum, heartgold, soulsilver. Then you can transfer it to Black or white
you will have to transfer one from Pokemon diamond, pearl,platinum,soulsilver,and heartgold
if you are asking if you transfer Pokemon from HG/SS/Platinum/Pearl/Diamond to Pokemon black and white will they be gone from HG/SS/Platinum/Pearl/Diamond then the answer is yes.
You cannot catch Darkrai in Pokemon Black, you have to transfer it from Diamond, Pearl, Platinum, Heartgold, or Soulsilver.
you cannot transfer Pokemon white or black Pokemon to Pokemon dimond, pearl, or platinum, sorry:}
you can transfer Pokemon from Pokemon platinum to black and white but you can't trade from black to platinum
You can't, you only can transfer Pokemon Platinum Pokemon to Black and White. I repeat, YOU CAN'T.
No, but you can transfer from platinum to black or white using poketransfer of relocater.
No! You can do it vice versa, though...
You can never trade Pokemon from Black to Platinum, because Generation V Pokemon do not appear in Platinum or any other game before Black and White. However, you an transfer Pokemon from Platinum to Black after you beat the game.
First, you have to transfer firered version pokemon to diamond, pearl, platinum, heartgold, soulsilver. Then you can transfer it to Black or white
You cannot trade, but you can use the relocator with two ds's and transfer Pokemon from platinum to white
If you have Celebi on Pokemon Diamond, Pearl, Platinum, HeartGold, or SoulSilver, you can use the PokeTransfer machine in Pokemon Black and White to transfer it.
only if you transfer it from diamond, pearl, or platinum
you would have to transfer a snover from pokemon diamond pearl or platinum
you will have to transfer one from Pokemon diamond, pearl,platinum,soulsilver,and heartgold