you cant unless you use action reply
You must get it from a Nintendo Event or the Pokemon Colosseum bonus disk.
Umm.. You Might need to migrate from Pokemon emerald
I don't think you can.
You can get it from an event which you can't anymore, from the Pokemon Collosseum Bonus Disk, or from the Pokemon Channel.
upload from a gba event.
kyogre, groudon, raquaza, jarachi (I think), deoxys (I think), latios, latias, the three reggies (regigigas couldn't be caught) and some more. I think.
not thru normal gameplay,but if you have platinum pearl or diamond you can get one feb 27 2010 thru may 12 at gamestop
you need a action replay or a Pokemon event
i just started but there might be ... with Acton replay
You can't catch one in Pokemon Emerald.
Yes, You can catch Groudon in Pokemon Emerald.