you can't get the pokemon off of pokemon black on diamond, but you can do it the other way around.
In Diamond, you can only get Palkia by trading it from Pearl, Platinum, White, Black, Black 2 and White 2.
you are unable to send any items from the past games to pokemon black/ white
Yeahz, but you have to beat the game. Its on your way to White Forest/Black city.
Pokemon Platinum, diamond and pearl. and black and white 5
You can only find a Magma Stone in Pokemon Black 2, White 2, Pokemon Diamond, Pearl, and Platinum. It is not available in Pokemon Black and White.
You can't trade Pokemon olny put Pokemon in Pokemon white and black's pal park and you can't return it back.
You can't. The only way is to get him/her is on black or 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.
You cannot trade between the new games of Pokémon Black and Pokémon White and the previous games of Pokémon Diamond and Pokémon Pearl and there is no way for you to trade Pokémon from "Pokémon Black or Pokémon White" over to Pokémon Diamond or Pokémon Pearl. But you can transfer any Pokemon from the old ds games TO black or white .
You are unable to transfer Pokemon to previous generations, mainly because there are all new Pokemon in Black and White.