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Ranma1/2 S1E13 — Ranma's Weakness
7.5
Ranma1/2•Season 1•Episode 13

Ranma's Weakness

7.5/10 · 6 votesOct 5, 202523 min

Ranked #22 of 27 in Season 1•−0.4 vs season avg

Discussion

Another of Akane's suitors, the quiet Gosunkugi, begins stalking Ranma to find the martial artist's weakness. Will he unearth Ranma's secret?

Directed byTaro Kubo
Written byAkimine Takahashi
Previous episodeE12 · Shampoo Cleans UpNext episodeE14 · Attack of the Wild Mousse
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Seasons1

All1

Season 1 Episodes27

Here's Ranma stillE1 8.1

Here's Ranma

I Hate Men! stillE2 8.0

I Hate Men!

Because There's Someone He Likes stillE3 8.0

Because There's Someone He Likes

The Hunter stillE4 8.0

The Hunter

Who Says You're Cute stillE5 8.3

Who Says You're Cute

Kodachi, The Black Rose stillE6 7.8

Kodachi, The Black Rose

Hot Competition stillE7 8.0

Hot Competition

Darling Charlotte stillE8 8.2

Darling Charlotte

I'll Never Let Go stillE9 7.8

I'll Never Let Go

Kiss of Death stillE10 8.2

Kiss of Death

You I Love stillE11 8.2

You I Love

Shampoo Cleans Up stillE12 8.1

Shampoo Cleans Up

Ranma's Weakness stillE13 7.5Now viewing

Ranma's Weakness

Attack of the Wild Mousse stillE14 7.5

Attack of the Wild Mousse

Chestnuts Roasting on an Open Fire stillE15 7.5

Chestnuts Roasting on an Open Fire

Naval Engagement stillE16 7.4

Naval Engagement

It's Fast or It's Free stillE17 7.0

It's Fast or It's Free

The Evil Wakes stillE18 7.4

The Evil Wakes

Instant Spring stillE19 8.2

Instant Spring

"Okonomiyaki" Means "I Love You" stillE20 7.6

"Okonomiyaki" Means "I Love You"

Love Letters in the Sauce stillE21 7.8

Love Letters in the Sauce

Not Your Typical Juliet stillE22 7.6

Not Your Typical Juliet

Abduction of ...Akane? stillE23 7.8

Abduction of ...Akane?

Fowl Play stillE24 8.2

Fowl Play

Training Meals stillE25 7.7

Training Meals

The Breaking Point stillE26 9.3

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Happosai Days Are Here Again stillE27 8.0

Happosai Days Are Here Again

Cast3

Kappei Yamaguchi

Kappei Yamaguchi

Ranma Saotome (voice)

Megumi Hayashibara

Megumi Hayashibara

Ranma (voice)

Noriko Hidaka

Noriko Hidaka

Akane Tendo (voice)

Crew12

Parako Shinohara

Parako Shinohara

Storyboard Assistant

H

Hideaki Matsuoka

Animation Director

M

Mitsue Yamasaki

Storyboard Artist

N

Nao Otsu

Supervising Animation Director

T

Taro Kubo

Director

Y

Yukie Suzuki

Animation Director

S

Shuhei Tada

Art Designer

E

Eiko Tsunado

Art Designer

Y

Yuki Takeuchi

Art Designer

M

Miyuki Honda

Prop Designer

Y

Yuka Koichi

Prop Designer

K

Kyoko Kametani

Prop Designer

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Episode Summary

"Ranma's Weakness" is episode 13 of Ranma1/2 season 1. It scored 7.5/10 from 6 votes, ranking #22 of 27 episodes this season (season average 7.9). Directed by Taro Kubo and written by Akimine Takahashi, it aired on October 5, 2025.

Next: E14 · Attack of the Wild MousseBest of Season 1