Futacu no mangekjó (E415)

Madara has transformed into the Jinchuriki of the Ten Tails and appears before Kakashi. Kakashi and the others combine their powers to attack, but they are no match for Madara. Obito comes to his senses and challenges Madara alone. Seeing the Obito of old inspires Kakashi, who remembers when they were friends. Kakashi and Obito form a team and stand up to the formidable Madara! (iTunes)