How do I get the fifth badge in diamond version?

Answer 1

1:BEAT the first 4 gym leaders. 2:go to pastoria city and talk to galactic guy near the safari marsh building 3:Chase him and beat his glameow 4:cinthia will give u a potion to get rid of the psyduks and go to celestic town 5:then go to hearthome and beat her!

Answer 2

the 5th gym badge in pearl/diamond is in Heathrome City. You can't do it yet because you have to follow the grunt from Pastoria City throo the beach and then the houses. Next you have to help this girl and then she gives you spray to spray on the phyducks outside the cafe with milk. You use it on them and go to Celestic Town and this guy thretans to blow u up so u go in the cave and press "A" on the symbols and the grandma gives u some "HM" so u use it somewhere and then the leader is there. After u beat her you go to Canalave City nere the sea. Go to the island for training but with a space for an egg that a guy gives u. Do that gym and then use the "HM's" to go to the Snowpoint City then the guy will be out of the way so u go to Sunyshore City do that gym get waterfall off that girl on the beach and go to the Pokemon league.

This is a good team for the league: (doesn't matter what order)

1.Machoke lvl 55-100 2.Dialga lvl 55-100 3. Pachirisu lvl 55-100 4. Infernape lvl 55-100

5.Staraptor 55-100 6. Quagsire lvl 1-100(for carrying some "HM's")

And then you do whatever you want.:) I Ho[e this answered your question enough

Thanks :)

Answer 3

at first you battle the 6 gym leader then you battle the fourth then you go to pewter city you battle barry after that you go inside the gym