Cast Update: http://www.tv-tokyo.co.jp/anime/pokemon_bw/chara/N was shown walking down some stairs and "Episode N" was announced.
Seems a part two of season 2.
Team plasma is coming!
A young man who hears the voices of Pokémon. He travels through the Unova region, hoping to find an answer to the issue of how the relationship between humans and Pokémon should be. He calls Pokémon "friends".
Commander of Team Plasma, an evil organization, planning to take over the Unova region. He is looking for N.
Team Plasma's scientist. Presently, he is conducting experiments and research on Pokémon to complete his Pokémon Control Machine.
An evil organization which wants to conquer the world. They've made a complete comeback to the Unova region! With their goal to get Pikachu in mind, they appear before Ash and his friends once again on their Meowth balloon! What are they plotting this time?!