Crash Course in Romance

Crash Course in Romance (2023)

2023 • 1 season • Drama, Comedy • TV-14

On August 9, 2026

#2451 ▼ 118

2451st by attention TV show online

29.2 Attention Score

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Episode 4 — Revolt of the Arithmetic Sequence

Season 1 • Crash Course in Romance

Released: 2023-01-22 • Drama/Comedy

90%

User score

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.

Where to Stream Episode 4

Season 1 · Episode 4 · Streaming in USA

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Episodes

Episode 1
You and I, the Intersection of Two Universes
2023-01-14

Episode 2
Probability of Encountering Your Enemy at Your Worst
2023-01-15

Episode 3
Number of Outcomes Where Dislike Becomes Like
2023-01-21

Episode 4
Revolt of the Arithmetic Sequence
2023-01-22

Episode 5
The Secret Probability Distribution of X and Y
2023-01-28

Episode 6
There Are No Correct Answers in Life, Only Best Answers
2023-01-29

Episode 7
The Very Average Laws of Attraction
2023-02-04

Episode 8
Chance Becomes Fate through Inductive Reasoning
2023-02-05

Episode 9
The Butterfly Effect of Our Relationship
2023-02-11

Episode 10
Emotion, the Variable That Alters Relationships
2023-02-12

Episode 11
The Functional Relationship of Our Love
2023-02-18

Episode 12
Point of Intersection between Comedy and Tragedy
2023-02-19

Episode 13
How We Approach an Unsolvable Conjecture
2023-02-25

Episode 14
Find the Unique Solution
2023-02-26

Episode 15
The Result of Chance and Inevitability
2023-03-04

Episode 16
You and I, the Union of Two Universes
2023-03-05

Information

Episode air date	22.01.2023
Episode runtime	69 min
Episode rating	9.00
Genres	Drama / Comedy
TMDB series rating	8.2
IMDb series rating	7.7
Series status	Ended
Age rating	14+
Country	KR

Trailer

Cast

Jeon Do-yeon
Nam Haeng-seon

Jung Kyung-ho
Choi Chi-yeol

Shin Jae-ha
Ji Dong-hui

Lee Bong-ryeon
Kim Yeong-ju

Oh Eui-sik
Nam Jae-woo

Roh Yoon-seo
Nam Hae-e

Jang Young-nam
Jang Seo-jin

Kim Sun-young
Cho Su-hui

Hwang Bo-ra
Lee Mi-ok

Heo Jeong-do
Kang Jun-sang

Lee Chae-min
Lee Sun-jae

Kang Na-eon
Bang Su-a

Ryu Da-in
Jang Dan-ji

Lee Min-jae
Seo Geon-hu

Kim Tae-jeong
Lee Hui-jae

Ji Il-ju
Jin I-sang

Lee Do-hye
Jeong Su-hyeon

Kim Da-huin
Jeon Jong-ryeol

Lee Ji-hae
Director Jeong

Park Hui-eun
Jin-su's mother

Choi Hee-jin
Young-min's mother

Yoo Jun
Lee Young-min

Jeong Han-seol
Bae Jeong-su

Hwang Jae-yeol
Detective Song

Jang Tae-min
Detective

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