Sorry you can't. It's an event and it is spelled Arceus. Well you can get it in the hall of origin but you need the azure Flute witch is the event item. There are 4 others:Darkrai, Shaymin, Manaphy, and the baby manaphy phione. Ok.
you cannot catch the 3 regi's in Pokemon platinum you have to catch them in Pokemon emerald then transfer them to Pokemon platinum. thnx
Catch 'em all
how do you catch a mewtwo on Pokemon platinum
you can catch a pikachu in the Pokemon mansion.
to catch zapdos in pokemon black you have to have every legendary pokemon
In Pokemon Leaf Green, you can catch Pokemon in the grass, water, or in a cave.
A Weedle.
In Pokemon black you catch RESHIRAM and TORNADUS In Pokemon white you catch ZEKROM and THUNDERUS Sources : myself
you cannot catch the 3 regi's in Pokemon platinum you have to catch them in Pokemon emerald then transfer them to Pokemon platinum. thnx
In Pokemon Diamond and Pokemon Pearl, there is no possible way to catch a Giritina. You can, however, either catch one in Pokemon Platinum or trade with someone who does have one. In Pokemon Pearl, you catch Palkia at Spear Pillar. In Pokemon Diamond, you catch Dialga at Spear Pillar.
Catch trainer Pokemon
catch it
You can't catch him you get him as a starter pokemon.
Catch 'em all
how do you catch a mewtwo on Pokemon platinum
you can catch a pikachu in the Pokemon mansion.
You have to catch 151 pokemon to complete the pokedex.