i don't think you can. only in diamond and platinum. if you cant get it its okay. you can get better Pokemon in pearl like heatran. most likely. [hope this helped]
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Trade them from the Diamond and Pearl versions.
The only way to obtain a Dialga on Pearl is trade with someone else that has one.
You can't get dialga on pearl only diamond can so trade with diamond to get one.
He can't go on there. Only on Diamond.
In Diamond and Platinum, Dialga is in Spear Pillar. If you want to get Dialga in Pearl, trade Dialga from Diamond.
Sorry, you can't. You have to get Pokemon pearl for that. If you buy Pokemon platinum you can obtain dailga, palkia, and giratina!
How do youcatch a dailga in Pokemon indogo
how to catch dailga in Pokemon diamond use the master ball
no
There is no Dialga egg.
well heres how i did it: first you get the national pokedex (dont have to) go to the course to spear pillar then to the cave by the one patch of grass get the adament orb and lustrous orb go to spear pillar and the blue crystal is dailga if you dont want dailga just defeat dailga and go back in mt coronet andgo out in the door to go in spear pillar the redish one is palkia.hope i helped