Ep. 50: Soun and Genma Return with a New Invisibility Technique from Chengensai
Aired on June 22, 1990Filler

50
Upon returning from an extended journey, Soun and Genma announce that they have acquired a new invisibility technique. They attribute this skill to a Mandarin ninja named Chengensai, whom they encountered while traveling to defeat Happosai. The pair presents this newly learned method as a significant development resulting from their efforts to overcome the notorious Happosai.
Episodes
- Ep. 46 · Soun becomes town chairman and must stop Happosai's lingerie raids while guarding a cursed artifact.
- Ep. 47 · Akane consumes Happosai's strength-enhancing noodles to avenge her arm-wrestling loss to Shampoo.
- Ep. 48 · The Killer From Jusenkyo
- Ep. 49 · Ranma smashes his head on a rock and acts feminine in both forms
- Ep. 50 · Soun and Genma Return with a New Invisibility Technique from Chengensai
- Ep. 51 · Sasuke Sarugakure flees Kuno Estate following dispute with master Tatewaki Kuno
- Ep. 52 · Ukyo organizes a school ghost investigation that reveals Kuno possessed by Miyamoto Musashi's sword
- Ep. 53 · Happosai discovers love pills that activate upon seeing the opposite sex
- Ep. 54 · Ryoga and Mousse Form an Alliance to Seek Revenge After His Defeat