Stream anime episodes online for free, Watch Ranma 1/2 Episode 137 English version online and free episodes. Anime Episode guide, Chapter Ranma 1/2 Episode 137 English dubbed Tatewaki Kuno, Substitute Principal The Principal decides he needs a vacation. He leaves Kuno on in charge not because Kuno is his son (so he says), but to give Kuno the opportunity to show responsibility. Kuno declares himself a champion of virtue. He runs into some trouble trying to enforce a school rule of no close personal relationships between sexes on school grounds.