Originally Posted by The_Pastmaster
Okay. Weird. I grind my Pokémon to lvl 20 before the first gym battle. I think the only time I ever had obidience problems where in Red Version. A Charizard I think.
It's with traded pokemon only, sometimes you'll get a lucky streak and not have it happen very often, but if you are an avid trader 9 out of 10 times they wont listen if you don't have the correct badges.