After a fierce battle with Black, Gym Leader Clay reveals a dangerous secret. Now Black must prove himself to the other Unova Gym Leaders so he can join their team to fight a common enemy—an evil organization that might jeopardize the Pokémon League Championship itself!
Will Black earn the trust of the Unova Gym Leaders by...ringing a bell?!
Plus, meet Krokorok, Tirtouga, Palpitoad, Excadrill, Pidove and Swoobat!