Yes.
you can't battle any of the gym leaders anymore.
You cannot re-battle the Gym Leaders in Pokémon Black and White.
No.
no.
Defeat ALL of the gym leaders in the Sinnoh Region and get ALL the Gym Badges and you can go and battle the Pokemon League. Hope I Helped! Defeat ALL of the gym leaders in the Sinnoh Region and get ALL the Gym Badges and you can go and battle the Pokemon League. Hope I Helped! Defeat ALL of the gym leaders in the Sinnoh Region and get ALL the Gym Badges and you can go and battle the Pokemon League. Hope I Helped! Defeat ALL of the gym leaders in the Sinnoh Region and get ALL the Gym Badges and you can go and battle the Pokemon League. Hope I Helped!
There isn't a second encounter with gym leaders
nope
There is an inn where 3 Gym Leaders battle you (on the Battle Zone)
You battle the Snowpoint city gym leader. She has a ice Pokemon but can be defeated by empleon lvl 48+
just battle the gym leaders just battle the gym leaders just battle the gym leaders
you beat them in a battle
do you go with the floow