Crash Course in Romance backdrop
Crash Course in Romance S1E4 — Revolt of the Arithmetic Sequence
8.2

Revolt of the Arithmetic Sequence

8.2/10 · 70 votesJan 22, 202369 min

Ranked #9 of 16 in Season 1•matches the season avg

Discussion

Haeng-seon gets a taste of the vicious politics among the academy's parents. She later goes to great lengths to make things right for Hae-e.

Directed byYoo Je-won
Written byYang Hui-seung

Seasons1

Season 1 Episodes16

Cast18

Jeon Do-yeon

Jeon Do-yeon

Nam Haeng-seon

Jung Kyung-ho

Jung Kyung-ho

Choi Chi-yeol

Shin Jae-ha

Shin Jae-ha

Ji Dong-hui

Lee Bong-ryeon

Lee Bong-ryeon

Kim Yeong-ju

Oh Eui-sik

Oh Eui-sik

Nam Jae-woo

Roh Yoon-seo

Roh Yoon-seo

Nam Hae-e

Jang Young-nam

Jang Young-nam

Jang Seo-jin

Kim Sun-young

Kim Sun-young

Cho Su-hui

Hwang Bo-ra

Hwang Bo-ra

Lee Mi-ok

Heo Jeong-do

Heo Jeong-do

Kang Jun-sang

Lee Chae-min

Lee Chae-min

Lee Sun-jae

Kang Na-eon

Kang Na-eon

Bang Su-a

Crew2

Yang Hui-seung

Yang Hui-seung

Writer

Yoo Je-won

Yoo Je-won

Director

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Episode Summary

"Revolt of the Arithmetic Sequence" is episode 4 of Crash Course in Romance season 1. It scored 8.2/10 from 70 votes, ranking #9 of 16 episodes this season (season average 8.2). Directed by Yoo Je-won and written by Yang Hui-seung, it aired on January 22, 2023.