You either go and beat the 8th gym leader Geovanni in Viridian or go to with bill to the island and train plus do him some favours
beat erika, fourth (celadon) gym leader, who uses grass Pokemon
First beat the fifth gym leader and get the HMsurf from the safari zone, then go to pallet town and surf downwards until you reach cinnibar island. there you can challenge blaine the 7th gymleader but only after getting the secret key which is inside Pokemon mansion.
In cerulean cities gym you must beat the leader misty to get the cascade badge.
the gym leader
i guess nothing
the 8th gym leader is Giovanni and u can only battle him after u beat blaine and go to one island wif bill
beat the gym leader
You need to go through the Pokemon mansion and beat all the trainers. At the last one you get the "secret key" to Blaine's gym.
You have to defeat Erika.
He will appear after you beat the 7th gym leader.
beat erika, fourth (celadon) gym leader, who uses grass Pokemon
First surf down from pallet town then go into Pokemon mansion and get the secret key then go into the 7th gym and beat blaine.
beat the shliph co. office biulding
well first after you beat the 7th gym leader bill takes you there to the islands
read the question, "where is the 7th gym leader?" everything you need to know will be in there
First beat the fifth gym leader and get the HMsurf from the safari zone, then go to pallet town and surf downwards until you reach cinnibar island. there you can challenge blaine the 7th gymleader but only after getting the secret key which is inside Pokemon mansion.
You get Overheat (TM50) from Blaine in the Seafoam Islands. He is a Gym leader and only gives it to you after you beat him. he is a fire-type gym leader.