You will find Erika at the Celadon City Gym. She trains grass types and for winning you will receive the Rainbow Badge and TM21 which is Mega Drain.
you go to the 4th gym leader. her name is erika. her strongest Pokemon is a level 29 viloplume.
It's erika the grass type user. the badge is the rainbow badge
you must first get the silph scope and defeat Erika, the leader of Celadon City gym.
erika had victribell,tangela,and vileplume
Go to Saffron City by giving the guard the tea you obtained from the old lady in the mansion. Then go into Silph Co.
Tangela, Gloom, Oddish, Vileplume.
You have to beat the first 3 gyms in Kanto before Erika will be in her gym. Erika's gym is the fourth in the series.
Brock, Misty, Lt. Surge, Erika, Koga, Sabrina, Blaine, and the last boss is in Viridian city is a mystery
in Pokemon yellow there is no Pokemon stadium
When you get the second badge from Misty, Pokemon you receive in trades up to level 30 will listen to you., while Pokemon with the same ID as your Yellow Version will always listen. When you get the fourth badge from Erika, Pokemon you receive in trades up to level 50 will listen to you, while Pokemon with the same ID as your Yellow Version will always listen. When you get the sixth badge from Sabrina, Pokemon you receive in trades up to level 70 will listen to you, while Pokemon with the same ID as your Yellow Version will always listen. When you get the eight badge from Giovanni, ALL Pokemon will listen to you, no matter what level or what their ID is.
Her name is Erika
on Pokemon yellow on Pokemon yellow