To know that, go to http://serebii.net/pokedex-dp/ and search for any pokémon and it will say you where to catch it (that site don´t say how to catch the legendary pokémons, however) in pokémon diamond and pearl.
Well its simple, go along with the game and battle alot of trainers...All 150 Pokemon are seen in the game. So try looking for them all.
go to hearthrome city there in one house bebe will be there she will give you eevee
you have to see all Pokemon in the game (sinoh only) and the go to see rowan the profecer and oak will appear
you have to see all the Pokemon in sinnoh.
the god of all Pokemon in diamond is........ (enter dramatic music here) ARCEAS!!!!!!!! (luckily it's not ur face!!!!!!!!!!!!)
well you need to have all your Pokemon in your pokedex and when you get your national pokedex you will get breed
See all 150 Sinnoh Pokemon
You have to see all 150 Pokemon, you don't have to catch them. After that go to Professor Rowan
You have to migrate from GBA to NDS. How about trying the site I've just provided?
You can get the National Pokedex in Diamond when you see all 150 Pokemon, but not necessarily capture them.
See all 150 Pokemon in the Sinnoh Dex and talk to Professor Rowan.
there are 150 kinds of Pokemon that you can see and/or obtain. Unless you have friend trade you Pokemon that you can only get in pearl to you, you'll never obtain them all. In Pokemon diamond and pearl all you have to do is see the Pokemon and you get its data unlike the older versions where you have to obtain them.
you have to get the national dex when you see all 150 Pokemon orif you play platinum you will have to see all 210 Pokemon
No all you have to do is SEE the first 150 Pokemon then you shall get the national dex..
All 150 pokemon are in the game so you dont have to trade for them. BUT IT IS EASYER
go to hearthrome city there in one house bebe will be there she will give you eevee
see all 150 Pokemon OR with ranger trade manaphy and get 151 seen then catch all the Pokemon in the world so far to beat the game
In diamond and pearl, you must have seen all of the 150 Pokemon (seen, not captured) in you're Sinnoh Dex.