10. P-P-P-Chan! He's Good For Nothin'(ピーピーＰちゃん ろくなもんじゃねェ)
Canon
Ranma realizes that P-chan is Ryoga, who has also been cursed by a spring in Jusenkyo. With Akane constantly handling P-chan, however, Ranma finds separating the pig from Akane would be difficult. (Source: Wikipedia)
Aired on: 6/30/1989
