[Kiwami]

Quote:

Originally Posted by WhiteRanger

How when Jesse and James have released them back in to the wiled in hoaen

The Koffing & Ekans packs just happen to travel through Kalos or have settled there, some of them have evolved into Weezing & Arbok themselves so Team Rockets Weezing & Arbok return to them for the one episode where they Mega-Evolve, or for the whole season.