you go to the harbor in petalburg and get ride from that sailor guy.
Go down to oreburgh mine and talk to the gym leader he will run off now go to oreburgh city and go into gym that gym leader will challenge you.
go to it
go into oreburgh mine and talk to gym leader
You have to go to Veilstone City and go to the gym. Then you battle gym trainers and go past them. You will get to Maylene, the third gym leader. You can battle her. Unless you're talking about the Hearthome Gym. Fantina is the leader of that gym. If that's what you meant, you need to fight the Veilstone Gym and the Pastoria Gym first.
first get a ice type Pokemon then go threw the whole gym face gym leader and get the badge
You first beat Fantina and then go to Celestic town.
go right from the seventh gym leader
First you go to the trainer school and then battle your friend by the blackboard and when you win go to the gym and there you go.
If you mean the 8th gym leader, you have to first go to Saffron City, and beat the guy in the biggist tower there. Afterwards, go back to Viridian City, go into the gym, and he will be there!!!
The 16th gyme leader is first on cinnibar island talk to him to make him go back to the viridian city gym.
the first gym leader is roark. you have to go to the oreburg mine so that u can get the first badge in order to get hm 06 rock smash.
The first Gym Leader who is Falkner, the Violet City Gym Leader, he has a Pidgey and a Pidgeotto.