Use pokeradar on route 10. See related link for details.
you cant catch it in platnium but you can trade it
it is a machine that can help u find Pokemon in the wild lik bagon in Pokemon platnium
No.
Bagon is only available in Pokemon pearl. You can however catch a Larvatar instead of a bagon. you can trade one for a Bagon because another pearl player will want one.
You can catch bagon in the safari zone look everyday and you should find it
yes
you cant
Yes you can.
no
no ditto is there
you get it from a fossil
There's a small room deep in Meteor Falls that is the only place you can catch Bagon.