7.9/1069 votes#1 - You and I, the Intersection of Two Universes
Season 1 Episode 1 - Aired 1/14/2023
As competition in her class ramps up, Nam Hae-e anxiously awaits her math score. Choi Chi-yeol is embroiled in a scandal involving one of his students.
Director: Yu Je-won
Writer: Yang Hui-seung
8.3/1069 votes#2 - Probability of Encountering Your Enemy at Your Worst
Season 1 Episode 2 - Aired 1/15/2023
Nam Haeng-seon attempts to register Hae-e into The Pride Academy. Desperate for Haeng-seon's food, Chi-yeol visits her store in a disguise.
Director: Yu Je-won
Writer: Yang Hui-seung
8.2/1060 votes#3 - Number of Outcomes Where Dislike Becomes Like
Season 1 Episode 3 - Aired 1/21/2023
Haeng-seon begins fawning over Chi-yeol after discovering his true identity. A change in the Pride Academy's schedule creates a stir among the parents.
Director: Yu Je-won
Writer: Yang Hui-seung
8.2/1055 votes#4 - Revolt of the Arithmetic Sequence
Season 1 Episode 4 - Aired 1/22/2023
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.
Director: Yu Je-won
Writer: Yang Hui-seung
8.3/1061 votes#5 - The Secret Probability Distribution of X and Y
Season 1 Episode 5 - Aired 1/28/2023
Haeng-seon and Chi-yeol work out an arrangement for Hae-e's tutoring. A mysterious tragedy leaves the academy and its parents rattled.
Director: Yu Je-won
Writer: Yang Hui-seung
7.9/1051 votes#6 - There Are No Correct Answers in Life, Only Best Answers
Season 1 Episode 6 - Aired 1/29/2023
A painful past comes back to haunt Chi-yeol. Bang Su-a becomes suspicious of Hae-e after finding her secret worksheets on her desk.
Director: Yu Je-won
Writer: Yang Hui-seung
8.1/1055 votes#7 - The Very Average Laws of Attraction
Season 1 Episode 7 - Aired 2/4/2023
Hae-e ranks first in her class, causing drama among other parents. Chi-yeol and Haeng-seon grow closer as he spends more time with her family.
Director: Yu Je-won
Writer: Yang Hui-seung
8.5/1057 votes#8 - Chance Becomes Fate through Inductive Reasoning
Season 1 Episode 8 - Aired 2/5/2023
Haeng-seon realizes her own feelings after seeing Chi-yeol at the academy. Su-a connects the dots and begins to make sense of Hae-e's recent successes.
Director: Yu Je-won
Writer: Yang Hui-seung
8.3/1048 votes#9 - The Butterfly Effect of Our Relationship
Season 1 Episode 9 - Aired 2/11/2023
Chi-yeol and Haeng-seon deal with the fallout after their secret is discovered — forcing the two to confront what it means for them moving forward.
Director: Yu Je-won
Writer: Yang Hui-seung
8.2/1052 votes#10 - Emotion, the Variable That Alters Relationships
Season 1 Episode 10 - Aired 2/12/2023
A public revelation leaves Haeng-seon and Chi-yeol's relationship in limbo. Meanwhile, Chi-yeol faces the repercussions of recent events.
Director: Yu Je-won
Writer: Yang Hui-seung
8.0/1043 votes#11 - The Functional Relationship of Our Love
Season 1 Episode 11 - Aired 2/18/2023
Tired of her loved ones facing scrutiny, Hae-e makes a bold confession to the world. Haeng-seon and Chi-yeol navigate their road ahead post-scandal.
Director: Yu Je-won
Writer: Yang Hui-seung
8.0/1042 votes#12 - Point of Intersection between Comedy and Tragedy
Season 1 Episode 12 - Aired 2/19/2023
A shocking arrest leaves the academy's parents — and Hae-e — concerned. Haeng-seon and Chi-yeol maneuver the days after their first fight.
Director: Yu Je-won
Writer: Yang Hui-seung
7.8/1044 votes#13 - How We Approach an Unsolvable Conjecture
Season 1 Episode 13 - Aired 2/25/2023
Hae-e attempts to get a hold of Lee Sun-jae after being put in a difficult position at school. Haeng-seon catches Ji Dong-hui in a hostile moment.
Director: Yu Je-won
Writer: Yang Hui-seung
8.2/1046 votes#14 - Find the Unique Solution
Season 1 Episode 14 - Aired 2/26/2023
News about Hae-e leaves those around her feeling rattled. Haeng-seon begins to suspect something's off. Chi-yeol confronts Dong-hui about his behavior.
Director: Yu Je-won
Writer: Yang Hui-seung
7.7/1046 votes#15 - The Result of Chance and Inevitability
Season 1 Episode 15 - Aired 3/4/2023
Lee Sun-jae's confession ignites a scandal at the school. Chi-yeol attempts to put an end to Dong-hui's scheme before it's too late.
Director: Yu Je-won
Writer: Yang Hui-seung
8.6/1054 votes#16 - You and I, the Union of Two Universes
Season 1 Episode 16 - Aired 3/5/2023
Grappling with her mother's return, Hae-e announces a shocking decision. Haeng-seon and Chi-yeol make a pivotal choice about their future.
Director: Yu Je-won
Writer: Yang Hui-seung
The Best Episodes of Crash Course in Romance Season 1
Every episode of Crash Course in Romance Season 1 ranked from best to worst. Discover the Best Episodes of Crash Course in Romance Season 1!
A mother with a heart of gold navigates the cutthroat world of private education when her daughter tries to join a celebrity math instructor's class.
Genres:DramaComedy
Network:tvN
Season 1 Ratings Summary
"You and I, the Intersection of Two Universes" is the best rated episode of "Crash Course in Romance" season 1. It scored 7.9/10 based on 69 votes. Directed by Yu Je-won and written by Yang Hui-seung, it aired on 1/14/2023. This episode is rated 0.4 points higher than the second-best, "Probability of Encountering Your Enemy at Your Worst".