Pokemon Best Wishes! Season 2: Episode N - episode 6 - 20 Feb, 2013

Ash and friends once again run into N, who has freed a Braviary held captive by Team Plasma. They help him bring it to a Pokémon Center, but when Braviary is tracked by a pair of Team Plasma Grunts - Nero and Bianco, who respectively use a Seviper and Zangoose in battle - N puts his life on the line. Successfully freeing Braviary, N joins the group on their journey to the White Ruins. (Source: Wikipedia)