Stream anime episodes online for free. Watch Rurouni Kenshin (TV) Episode 51 English version online and free episodes. Anime Episode guide, Chapter Rurouni Kenshin (TV) Episode 51 English dubbed Wake Up Now! Aoshi realizes that his quest for being the “ultimate” has led him down a dark path, and finally “awakens” with strong words from Kenshin. Aoshi and Kenshin confront each other for the final battle.