the power plant solution
or go and awake the snorlax
you have to beat all gym leaders in jhoto and kanto
cerulean cave after you beat all the gym leaders
in cerulean city
Mistys gym
in 1 of the life rings in the cerulean gym
Beat all the kanto gym leaders and go to cerulean cave then throw your master ball.
Misty is to the north of Cerulean, at the end of route 25.
its in the gym with misty hidden behind a tubey thing
After fixing the Power Plant, go to the Cerulean Cape, which is NorthEast of Cerulean City
You can access Cerulean Cave in SoulSilver after you get all 16 gym badges (Johto and Kanto).
youtube has info. just get that in you,r head.
in cerulean gym in some of the pumpable tubes