Look In all the Towns And Iron Island And the Pokemon League!
PS. also Check The safari Zone And after you Find all 210 Pokemon, Talk To Prof. Rowan and Prof. Oak Give You The National Dex After His Talk With Prof. Rowan.
P.P.S also Go to the gyms And Battle the trainers there!
all of them in the regional pokedex
Just go to Pokemon platinum central and click on pokedex and it shows you where to battle all the Pokemon in sinnoh.
That pokemon is Azumarill in pokemon platinum in the national pokedex
No. 114 on Pokemon Platinum Pokedex is Tangela.
see all 210 Pokemon
i finished the pokedex bayleef is not on it for platinum
Go to serebii.net That's the Pokemon online pokedex...
You have to find all of the Pokemon in Sinnoh.
talk to rowan
After seeing all of the Pokemon in the platinum pokedex (250 I think) and beating the elite four. you can get the national pokedex which contains all 493 Pokemon
u have to use a action replay
No.