you cant
You can NOT battle Professor Oak in Pokemon FireRed Version, even with an Action Replay
whats a ghot? get a Pokemon
You can't battle him. But you can find him in eterna city after you got the pokedex upgrade off him (he is in the empty house).
mr. Pokemon house
you have to fight elite4.
you can
Pallet town in Kanto
He won't. You only get one.
put it first then fight
she is the first elite four trainer you have to fight in Pokemon firered or leaf green
Fight the seventh gym on Cinnabar Island. Then fight the eighth gym at Virirdian City.
In Pokemon firered you can't, but in Pokemon leafgreen you can get it then trade it to Pokemon firered.