Pokémon: Black & White: Rival Destinies (advertised as Pokémon: BW: Rival Destinies), known in Japan as Pocket Monsters: Best Wishes! 2 (ポケットモンスター ベストウイッシュ2, Poketto Monsutā Besuto Uisshu Tsu), is the fifteenth season of the Pokémon animated series and the second season of Pokémon the Series: Black & White, known in Japan as Pocket Monsters: Best Wishes! (ポケットモンスター ベストウイッシュ, Poketto Monsutā Besuto Uisshu). It originally aired in Japan from September 22, 2011 to October 4, 2012 on TV Tokyo, and in the United States from February 18, 2012 to January 26, 2013 on Cartoon Network, covering the continuing adventures of series protagonist Ash Ketchum and his Pikachu as they continue traveling through Unova with Cilan and Iris to take on his remaining five gym badges. The Japanese opening songs are "Best Wishes!" (ベストウイッシュ!, Besuto Uisshu!) and "Be an Arrow!" (やじるしになって, Yajirushi ni Natte) by Rika Matsumoto. The ending songs are "Can You Name All the Pokemon? BW" (ポケモン言えるかな? BW, Pokémon Ierukana? BW) by Takeshi Tsuruno, "Seven-colored Arch" (七色アーチ, Nanairo Āchi) by Aki Okui, Toshiko Ezaki, and Fumie Akiyoshi, "Look Look☆Here" (みてみて☆こっちっち, Mite Mite☆Kotchitchi) by Momoiro Clover Z and "Team Rocket Forever" (ロケット団よ永遠に, Roketto-dan yo Eien ni) by the Team Rocket Gang. The English opening song is "Rival Destinies" by Alex Nackman and Kathryn Raio, with its instrumental version serving as the end credit song.