You can't get Darkrai in any Pokemon game without cheating or hacking until they make an event for it.
You can only get Darkraii from a Nintendo Event. Unfortunately this event has already passed :(.
It was a special event Pokemon that was distributed.(Check http://www.pokemonplatinum.com for more details.)It can also be obtained by trading in the GTS.
make your name giggle and ull have all of them (it works)
There is no rental Pokemon in in Pokemon platinum
You cant get Pokemon from Pokemon ranger to platinum!
how to get a togepi in Pokemon platinum
There is no grunt that you can give a Pokemon to in Pokemon platinum.
buy the Pokemon platinum book
In the National Pokedex in Pokemon Platinum Mawile is Pokemon 303.
The 151st Pokemon is Mew and is unobtainable in Pokemon Platinum.
yes there is a new Pokemon in Pokemon platinum. its name is Arcues.
That pokemon is Azumarill in pokemon platinum in the national pokedex