You may have to train your Pokemon to at least level 20 or use a electric type like pikachu you can catch it in viridian city but its rare to find.
Once you fixed the Power Plant, go to the end of Route 25. Talk to Misty and she'll return to the gym. Then you can beat her. (She uses water Pokemon so I suggest you use grass or electric Pokemon.)
Beat misty then go to cerulean cape
You will only need to beat it if you want to transfer pokemon from the games Ruby, Sapphire, Emerald, Pokemon Colosseum and Pokemon XD Gale of Darkness. You can transfer pokemon immediately to another leafgreen or a firered version using either the GBA link cable or the Wireless Adapters.
He will appear after you beat the 7th gym leader.
In cerulean cities gym you must beat the leader misty to get the cascade badge.
You may have to train your Pokemon to at least level 20 or use a electric type like pikachu you can catch it in viridian city but its rare to find.
Fight Misty laduh
beat the Pokemon league
At The Ship In vermilion city down from Misty's gym
No its not an HM in leafgreen.
Catch all the Pokemon. credits are rolled if you beat the Pokemon league
route 25
Some options that could beat Misty's last Pokemon would be either the Razor Leaf, Vine Whip or Solar Beam attacks.
you go to cerulean city and beat misty.
After you defeat Misty, You can go catch suicune by Bill`s house.
go sell it at gamestop