Watch anime online, stream anime episodes online for free.Watch Naruto Uncut Episode 131 English version online and free episodes. Anime Episode guide, Chapter Naruto Uncut Episode 131 English dubbedThe Secrets of the Mangekyo Sharingan! As Sasuke’s remembrance of his childhood draws to a close, Sasuke returned home from the Academy one day to find all the members of the Uchiha clan murdered. Upon finding his parents’ bodies, Sasuke discovered Itachi to be responsible for the massacre. Using his Mangekyo Sharingan, Itachi showed Sasuke their parents’ deaths, causing Sasuke to run with fright. Itachi stopped him, telling him that he wasn’t worth killing.