How can I 'see' old generation pokemon legendaries for my B/W pokedex?

Question

In Pokemon black/white, is it possible to SEE any of the old legendaries or even starters for my pokedex so that I may search and request for them on GTS?

Answer 1

The only way to see them is to Migrate or trade with a friend.

Comments

there are also pokemon you can only get in events events

Answer 2

As long as you know the name of the Pokemon you want, you should be good. Starting in X and Y, they changed the way the GTS works. Before, you could only request or search for Pokemon that have been registered as seen in your pokedex. Now, as long as you know the name of the Pokemon you are looking for, you can search for it, and request it. Just make sure you spell it correctly, as there are two Pokemon with similar names, those are Eelektrik (the evolved form of Tynamo), and Electrike,