yes
NO. Beacause when giratina featured in Pokemon Diamond and Pearl he meant death and he does not need a chet code
You will need to trade one from diamond, pearl or platinum to white.
You can't; you need to migrate one over from Diamond, Pearl, Platinum, HeartGold or SoulSilver.
You need to complete the Pokemon league
You can't games you find Giratina in are Pokemon Pearl, Diamond and Platinum if you want to get Giratina badly get Pokemon platinum because in that game he is the main Pokemon!
the rerest Pokemon would be a cresselia or a giratina you will need an action replay to catch any other legendary Pokemon
Giratina can be found in Turnback Cave at Sendoff Spring once the Elite Four have been defeated. You will need Rock Climb, Surf and Defog (optional).
you can't the only game that you can get him in his other form is in platinum. because you need his orb.
No. You’re forced to fight Giratina in Platinum, Dialga in Diamond, or Palkia in Pearl. You have the option of either catching or killing them. Whatever you choose, you don’t need to have them to get to Sunnyshore.
You need to complete the mission recover the precious egg in Pokemon ranger then you need to send it over through a second ds onto your Pokemon pearl
you need to have cought giratina from the distration world of course it is just like diamond and pearl.
In Pokemon Diamond and Pearl, Giratina can be caught in Turnback Cave in Sendoff Spring, which is east of Route 214. In Pokemon Platinum, Giratina can be caught in its home world, the Distortion World. The event takes place on top of Mt. Coronet, similar to the Dialga/Palkia event in Pokemon Diamond and Pearl. In Pokemon Alpha Sapphire and Omega Ruby, Giratina can be found in a dark split in the sky while riding Latias/Latios with Dialga and Palkia in your Party. For the rest of the games, you will need to trade/transfer for it.