How do you get into the fifth gym leader in Pokemon FireRed?

Answer 1

i can't remember. All i know is it's a poison gym and was the most easy gym in Pokemon gaming history! The 5th gym leader is in fushia city next to the Pokemon center. Forgot his name but he uses poisin Pokemon.
English:

There are two fifth gyms in Pokémon Firered Version. There is the Saffron Gym of Psychic Sabrina, and and there is the Fuchsia Gym of Poisonous Koga. You can find those two cities easily on the map ;)

Türkçe:

Pokemon FireRed'de iki tane 5. Salon var. Bi tanesi Saffron şehrindeki Medyum Sabrina'nın salonu, diğeri Fuchsia şehrindeki Zehirli Koga'nın salonu. Haritayı kullanarak bu iki şehri de kolayca bulabilirsin ;)