TV series 2019 1h 10m 1 season
At Eighteen
열여덟의 순간
- 6.8/1025 votes · TMDB
- On 6 services in United States
Where to watch in United States
Checked October 11, 2026
Kocowa
AlsoAmazon Channel
Available in 124 other countries 124 with streaming
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Availability history in United States
Last checked
On 6 services when we started tracking Netflix, Netflix Standard with Ads, The Roku Channel, Rakuten Viki, Kocowa, Kocowa Amazon Channel
We re-check popular and new titles several times a day and log every change. See what is new in United States
Overview
A misunderstood loner is drawn out of his shell after transferring to another high school, where he comes across new ordeals -- and first love.
Cast
Ong Seong-wuChoi Joon-Woo
Kim Hyang-giYoo Soo-Bin
Shin Seung-hoMa Whi-Young
Kang Ki-youngOh Han-Kyeol
Shim Yi-youngJoon-Woo's mother
Kim Sun-youngSoo-Bin's mother
Choi Jae-woongChoi Myeong-jun
Moon BinJung Oh-je
Jeong Young-jooPark Geum-ja
Jung Hyeon-junChoi Joon-Woo (young)
Yoo In-sooYoo Pil-Sang
Han Sung-minHwang Ro-mi
Kim Bo-yoonKwon Da-hwin
Moon Joo-yeonYoon So-ye
Baek Jae-wooGo Dong
Hur Young-jiKim Ji-min
Seasons and episodes
1 season16 episodes
Season 1
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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E1 The Nameless Kid, Choe Jun-u
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.
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E2 A Moment I Want to Run Away
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.
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E3 It Always Rains on a Sad Day
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.
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E4 Happiness and Sadness Come and Go Instantly
Su-bin and Jun-u continue practicing their English for the upcoming evaluation. Sin Jeong-hu writes a letter, and makes a heartfelt apology.
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E5 After that Long and Sad Day
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.
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E6 The Timing of Action and Reaction
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.
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E7 Romeo and Juliet
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.
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E8 The Moment of Your First Love
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.
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E9 I'm Sorry
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.
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E10 The Night That Will Never Return
When the class goes on a trip together, the students bring with them a tangled mess of relationship and personal dramas.
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E11 The Emotions That I Got to Know Through You
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.
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E12 Being More Mature Than Adults at the Age of 18
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.
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E13 I Should Still Like You
Finals approach, Song-hui's disapproval forces Su-bin and Jun-u apart, and Han-kyeol tracks down Hwi-yeong's old teacher.
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E14 Happy Birthday to You
Everyone worries when the rumor about Hwi-yeong gets him into real trouble. Jun-u tells Han-kyeol about his newfound goal.
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E15 Ways to Embrace Your Scar
Song-hui remains stubborn about Su-bin and Jun-u, who enters an art academy. The school board investigates Hwi-yeong's case.
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E16 This Goodbye Isn't Forever
Hwi-yeong makes peace with the others -- and himself. Jun-u realizes his mother's situation, and must break difficult news to Su-bin.
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