
Back to At Eighteen
Season 1
16 Episodes2019
A misunderstood loner is drawn out of his shell after transferring to another high school, where he comes across new ordeals -- and first love.
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Episodes (16)

Ep 1
The Nameless Kid, Choe Jun-u
★8.0
2019-07-22•68m
Not long after arriving at a new high school, where he's shown around by star student Ma Hwi-yeong, Choe Jun-u faces an unfair accusation.

Ep 2
A Moment I Want to Run Away
★8.0
2019-07-23•64m
Jun-u prepares to transfer schools again. Yu Su-bin doesn't believe Jun-u took the watch. Hwi-yeong won't own up to what he did.

Ep 3
It Always Rains on a Sad Day
★7.0
2019-07-29•67m
Jun-u beats out Hwi-yeong to pair up with Su-bin for a class assignment, and receives an urgent call about an old friend.

Ep 4
Happiness and Sadness Come and Go Instantly
★8.0
2019-07-30•66m
Su-bin and Jun-u continue practicing their English for the upcoming evaluation. Sin Jeong-hu writes a letter, and makes a heartfelt apology.

Ep 5
After that Long and Sad Day
★7.0
2019-08-05•67m
Jun-u's outburst of rage panics Hwi-yeong, who has something to cover up. O Han-kyeol visits someone who can testify to the truth.

Ep 6
The Timing of Action and Reaction
★8.0
2019-08-06•64m
Fighting with her mother, Su-bin doesn't go home. Determined to reveal Hwi-yeong's true nature, Jun-u starts to gain insight into his behavior.

Ep 7
Romeo and Juliet
★9.0
2019-08-12•61m
Su-bin and Jun-u can't stop thinking about each other -- but don't know what to do about it. Hwi-yeong agonizes over one wrong answer on a math test.

Ep 8
The Moment of Your First Love
★9.0
2019-08-13•62m
Even as Su-bin learns she's not the only one who likes Jun-u, she's excited for their first date. Jo Sang-hun goes up against Hwi-yeong's parents.

Ep 9
I'm Sorry
★7.0
2019-08-19•67m
Hwi-yeong sends Su-bin something that cuts her date with Jun-u short. Han-kyeol turns away a bribe. Yun Song-hui searches for a driver.

Ep 10
The Night That Will Never Return
★7.0
2019-08-20•58m
When the class goes on a trip together, the students bring with them a tangled mess of relationship and personal dramas.

Ep 11
The Emotions That I Got to Know Through You
★7.0
2019-08-26•62m
Han-kyeol deals with a petition to replace him. Hwi-yeong removes Su-bin from the tutor group, which bothers Song-hui more than it does her.

Ep 12
Being More Mature Than Adults at the Age of 18
★8.0
2019-08-27•64m
A rumor about Hwi-yeong's grades being rigged spreads like wildfire. Su-bin hesitates to tell Song-hui something, and meets with her father.

Ep 13
I Should Still Like You
★6.0
2019-09-02•68m
Finals approach, Song-hui's disapproval forces Su-bin and Jun-u apart, and Han-kyeol tracks down Hwi-yeong's old teacher.

Ep 14
Happy Birthday to You
★8.0
2019-09-03•63m
Everyone worries when the rumor about Hwi-yeong gets him into real trouble. Jun-u tells Han-kyeol about his newfound goal.

Ep 15
Ways to Embrace Your Scar
★9.0
2019-09-09•66m
Song-hui remains stubborn about Su-bin and Jun-u, who enters an art academy. The school board investigates Hwi-yeong's case.

Ep 16
This Goodbye Isn't Forever
★8.0
2019-09-10•66m
Hwi-yeong makes peace with the others -- and himself. Jun-u realizes his mother's situation, and must break difficult news to Su-bin.