Ranma ½: Season 1, Episode 23

1 - 23: Enter Mousse! The Fist of the White Swan

Dr. Tofu is able to cure Ranma, but as Cologne is quick to ask - How long will it last? In any case, his mind soon gets other things to think about, as Mousse, a Chinese master of hidden weapons, arrives, challenging him for the right to Shampoo's hand.