there is no answer to that question.
you speak 2 him and u have to battle him VERY STRONG LV 100 POKEMON
Once you have obtained the Old Rod, in some levels, you can find Magikarp. The Magikarp will have a green health bar, indicating that it is catchable.
In Pokemon colociem you can catch Pokemon like charizard,pikachu,pidgey,not realy Pokemon in diamond and pearl or plattinum or emerald, sappire, and ruby. plus you will find some from Pokemon red ,green ,yellow and so on.point is you will find the old type of Pokemon in the old Pokemon shows.
You must trade with Pokemon Leaf Green, or Pokemon Collosseum.
Go back to professor's lab, and then come back. He should have drank it by now and you can move on
Aerodactyl
Not all Pokemon are green
the first pokemon games came out in 1999, which were pokemon red and green. blue came out in the same year, just a different month.
You can't restore an old file on a Pokemon game.
Kanto, the games that have kanto are in the order of new to old: pokemon heartgold & saoulsilver pokemon leaf green & fire red pokemon crystal pokemon gold & silver pokemon yellow: special pickachu version pokemon red & blue
Aerodactyl comes from the old amber you need to revive it on seafoam islands on Pokemon leaf green and fire red , the coal museum in oreburgh on diamond and pearl. hope this helps!
you speak 2 him and u have to battle him VERY STRONG LV 100 POKEMON
It is scarce now because it is about 16 years old and they dont make them anymore
You can't go back there at all.
there is no green type pokemon. Sorry
I believe that you go to the kitchen in the Old Chetau.
You can get Pollywhirl in Pokemon Leaf Green in Virdian City.