you have to beat the Pokemon champion and later on in the game you will complete it
you need to find 210 Pokemon to complete the pokedex
First complete the sinnoh pokedex, 210 Pokemon
Just go to Pokemon platinum central and click on pokedex and it shows you where to battle all the Pokemon in sinnoh.
When you complete the sinnoh pokedex go over to Sandgem town and give your pokedex to Rowan and Proffesor Oak will give you the national pokedex where you must SEE every Pokemon that exists even the Pokemon that arent in Pokemon platinum.
There is only one legitimate way to complete the Sinnoh Pokedex. To complete the Sinnoh Pokedex you must trade for the missing Pokemon with Pokemon Diamond, Pearl or Platinum.
you have to go to Professor Rowan.
Complete the sinnoh pokedex, and beat the Pokemon league. Then go to Rowan's lab.
complete the sinnoh pokedex and talk to professor rowan.
find or catch them all of them if you like
That pokemon is Azumarill in pokemon platinum in the national pokedex
No. 96 on Pokemon Platinum Pokedex is Drowzee. This is incorrect. No. 96 on the Platinum Pokedex is Happiny.
No. 114 on Pokemon Platinum Pokedex is Tangela.
you use an action replay or catch them
You need to complete the sinnoh pokedex (I think).
http://www.neoseeker.com/Games/action_replay/
#102 in the Pokemon Platinum pokedex is Chatot.
if you want to complete you pokedex faster you can get your friends to show you those Pokemon while battling
use complete pokedex cheat !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!l +r+select
Arcanine is the Pokemon which is known as the 059th in the PokeDex in Pokemon Platinum.
i finished the pokedex bayleef is not on it for platinum
http://www.neoseeker.com/Games/action_replay/
No,but there are other cheats to do it.
You complete the shinho dex first and then you get the national pokedex