You go south of pallet town there should be a little island where cinnabar island was. The 8th gym leader should be there but he won't battle you.You need the 7th gym badge to battle him.The 7th gym is near the island.Beat the 7th gym leader.Talk to the 8th gym leader again and he's going to go back to the gym to what for you there in Viridian City.
Chat with our AI personalities
face him, click on him, then have courage and believe!
he is at the sea form islands
Blue is the viridian gym leader and red is on top of mt silver once you beat all the kanto gyms
Because Misty is not at her gym, you have to find her up at Route 25.
use surf to get to seafoams islands go up the ladder and battle to the gym leader