Ep. 13: Ranma defeats Kodachi in the martial arts rhythmic gymnastics challenge despite her dirty tricks.
Aired on July 29, 1989

13
In this installment, the martial arts rhythmic gymnastics competition continues with significant interference. Kodachi employs underhanded tactics to hinder her opponent's performance. Simultaneously, P-chan, who is actually Ryoga, attempts to ensure that Ranma loses the match. Despite these combined efforts to sabotage the outcome, Ranma manages to overcome the obstacles. The confrontation concludes with Ranma securing a victory over Kodachi by a single point, effectively ending the challenge.
Episodes
- Ep. 9 · Akane's New Short Hair Attracts Tofu While Ryoga Becomes a Pig Named P-chan
- Ep. 10 · Ranma Discovers P-chan Is Ryoga Amidst Akane's Constant Care
- Ep. 11 · Ranma Confronts Love Directly as a Delinquent Gymnast Appears
- Ep. 12 · Akane's Injury Prompts Ranma to Substitute in the Martial Arts Rhythmic Gymnastics Match
- Ep. 13 · Ranma defeats Kodachi in the martial arts rhythmic gymnastics challenge despite her dirty tricks.
- Ep. 14 · Kin visits Tofu while Nabiki competes with Akane for bride status in a hip measurement contest
- Ep. 15 · Defeated Amazon Warrior Shampoo Arrives in Japan Seeking Revenge
- Ep. 16 · Shampoo Uses Shiatsu and Magic Shampoo on Akane to Make Her Forget Ranma
- Ep. 17 · Ranma Persuades Shampoo to Let Girl-Ranma Be Beaten by Ryoga