You have to transfer it to white. You Need Two DS's Put one with Pokemon Whatever And One With Pokemon White And you need at least 5 Badges then you will see a Poke Transfer Lab go inside talk to the Guy And then you can trade.
You can't catch him, but you can transfer him with a friends ds to yours.
garintina
To catch garintina
Trade it with ur friend.simple.
you just have to keep going and the legendary is garintina
You have to upload it to white from diamond, pearl, and platnum with PokeTransfer, or get it by an event, or an action replay.
After you beat/catch garintina in diamond you could keep training or just keep fighting the pokemon league. Also, you could go catch more legandary pokemons.
You cannot get Giratinain Pokémon White however you can migrate it from a previous game such as Pokémon Platinum in order to get it into your Pokémon White game as long as you have at least 2 DS systems. You will need to use the PokéTransfer Lab in Route 15 in order to do the migrating.
You cannot catch Garitina on Pokemon Black. However, you can trade for one or transfer one from a DS Series game.
Nothing happens they get trained- both of them no giratina egg - no gender for the other Pokemon = no egg
You have to beat the guy who wants to to use Pokemon for no good.... then you can get the Pokemon..... if you beat it then you'll have to wait until you beat the champion.
you can get a entei,rakiou and i think suicune =) that is a load of rubbish it is the lake Pokemon and garintina the only way to get the dogs are action reaplay