can you catch any pre-gen V legends in b/w

Question

like mewtwo, giratina, Ho-oh etc.

Answer 1

No, you cant catch Legendaries from previous games in Pokemon Black and White. In the future maybe they might give events to catch Legendaries from previous generations. You can migrate Legendaries into B/W. Hope this helps.

Comments

is migrating the same thing as transferring?

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Yes migrating just means moving from one generation to another