Episode 1
The Flash of Lightning Before It Thunders
55m8.4 / 10
Unlike her friends, Kim Jojo has more pressing things on her mind than dating. Upon returning from abroad, Hwang Sun-oh goes to see Lee Hye-yeong.
Where to watch Love Alarm
TV series
Love Alarm
20192 seasons8.2 / 10
When you turn on the application, your heart will ring.
Love Alarm is an app that tells you if someone within a 10-meter radius has a crush on you. It quickly becomes a social phenomenon. While everyone talks about it and uses it to test their love and popularity, Jojo is one of the few people who have yet to download the app. However, she soon faces a love triangle situation between Sun-oh whom she starts to have feelings for, and Hye-young, who has had a huge crush on her.
Streaming, rental and purchase options
Where to watch in United States
Checked Jul 22, 2026
Love Alarm is available to stream on Netflix in United States. Use the direct links below to open the provider.
Stream
Synopsis
Love Alarm is an app that tells you if someone within a 10-meter radius has a crush on you. It quickly becomes a social phenomenon. While everyone talks about it and uses it to test their love and popularity, Jojo is one of the few people who have yet to download the app. However, she soon faces a love triangle situation between Sun-oh whom she starts to have feelings for, and Hye-young, who has had a huge crush on her.
Season 1 episodes
Choose an episode, then use the watch options above for the show.
Episode 2
There’s Nothing Anyone Can Do When You Like Someone
50m8.8 / 10
Sun-oh wants to know whether Hye-yeong has feelings for Jojo and tells him what he did. Jang Il-sik gets into a fight with Sun-oh and Hye-yeong.
Where to watch Love Alarm
Episode 3
The Miracle of Two People Liking Each Other
49m9.4 / 10
Jojo confronts Sun-oh about the photos. As rumors spread at school, Jang-go gets mad at Jojo for lying. Il-sik confronts Jang-go about what she did.
Where to watch Love Alarm
Episode 4
The Best Feeling in the World Is Knowing There’s Someone on My Side
48m9.9 / 10
Sun-oh asks Jojo about the school trip and realizes there’s not much he can do for her. Il-sik tells Jang-go something she doesn’t want to hear.
Where to watch Love Alarm
Episode 5
The Gravity of Liking Someone
51m9.0 / 10
Jojo tells Sun-oh about her parents and makes a surprising suggestion. She later confronts Jang-go after overhearing something.
Episode credits
Guest stars Han Ye-ri, Lim Se-mi
Episode 6
Your Heart Is Safe Now
49m10.0 / 10
News of the tragedy hits the airwaves. Hye-yeong finds Jojo at the library and informs her that he plans to court her the old-fashioned way.
Where to watch Love Alarm
Episode 7
Something I’ve Been Holding Back and Can Only Say to You
47m9.9 / 10
Jojo tries to put a shield around herself and tells Hye-yeong she doesn’t need his help, but he offers to take her somewhere special.
Where to watch Love Alarm
Episode 8
One Is Bigger Than Any Other Number in the World
41m9.8 / 10finale
Jojo ponders what it means to like someone and realizes a shield may not be necessary. Sun-oh wants to know whether she still has feelings for him.
Where to watch Love AlarmEpisode information updated Jul 23, 2026
More about Love Alarm
Cast
Kim So-hyunKim Jojo
Jung Ga-ramLee Hye-yeong
Song KangHwang Sun-oh
Go Min-siPark Gul-mi
Lee Jae-eungChon Duk-gu
Park Ji-hoonJi-Hoon
Kim Si-eunYuk-jo
Ki Do-hunBrian ChonCredits
- Created by
- Yu Bo-ra
- Written by
- Lee Ah-yeon, Seo Bo-ra, Cha Yeon-su, Kim Seo-hee
Production details
- Status
- Ended
- Series type
- Scripted
- Episodes
- 14
- Original language
- Korean
- Original title
- 좋아하면 울리는
Networks & production
Netflix
Studio DragonSouth Korea
Production HSouth Korea
Themes
based on webcomic or webtoonfriendshiphigh schoollovelove trianglematchmakingtechnologyteen drama
