Ranma ½ - Season 1 Episode 152 Battle for the Golden Tea Set
Overview: Once again, it's return of Martial Arts Tea Ceremony master, Sentaro. This time, he needs Ranma and Akane's aid to rescue his kidnapped grandmother. The whole incident seems to be over some treasured tea set that rival schools have fought over for generations, and now it's Sentaro's turn to prove his worth!