Season 1

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  8.0/10315 votes

  Passion Is Born

  Season 1 Episode 1 - Aired 9/25/2023

  Eun-gyeol and his family move into a new neighborhood. He meets a man who offers to teach him how to play the guitar, and Eun-gyeol works hard to learn it. As he deals with bullies at school, he practices playing the guitar until he is as good as the man who taught him. However, tragedy strikes, and he and his family are forced to move again.

  Director: Unknown

  Writer: Unknown

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  8.1/10265 votes

  Eun Gyeol Quits Music

  Season 1 Episode 2 - Aired 9/26/2023

  Eun-gyeol tries his best to quit music, but it's not easy for him to do. He gets scouted to join SPINE9, an indie band in Hongdae. To make things worse, he finally gets his hands on the guitar promised by the Viva Music store owner. He is torn by which path to take and finds himself walking into a suspicious music store.

  Director: Unknown

  Writer: Unknown

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  8.2/10266 votes

  Seoul 1995

  Season 1 Episode 3 - Aired 10/2/2023

  Eun-gyeol gets stuck in 1995 and doesn't know how to return to the present. What's worse is that he meets his young father, Yi-chan, who can talk and wants to start a band to impress a girl who isn't Eun-gyeol's mother. Eun-gyeol poses as Yoon Dong-jin, a musical genius, in order to try to become a member of Yi-chan's band.

  Director: Unknown

  Writer: Unknown

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  8.3/10249 votes

  Eun Gyeol Becomes Yi Chan's Tutor

  Season 1 Episode 4 - Aired 10/3/2023

  Eun-gyeol encounters Se-gyeong in her teens and learns a few things about her life that don't make sense in the future. Meanwhile, Yi-chan meets Chung-ah for the first time, but she doesn't say a word. Yi-chan tries to get away from Eun-gyeol, but Eun-gyeol follows him to the Snail Guesthouse and ends up becoming Yi-chan's math tutor.

  Director: Unknown

  Writer: Unknown

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  8.2/10248 votes

  Se Gyeong Leaves the Country

  Season 1 Episode 5 - Aired 10/9/2023

  Eun-gyeol resolves to stop the accident that caused Yi-chan to become deaf and clings to him, vowing to teach him everything he needs to know. He even promises to gift him the band Yi-chan needs. However, the school festival is in one month, and the person Yi-chan is doing this for has left the country and isn't going to return.

  Director: Unknown

  Writer: Unknown

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  8.2/10241 votes

  Se Gyeong Returns

  Season 1 Episode 6 - Aired 10/10/2023

  Everyone is confused at Se-gyeong's return, especially Eun-gyeol, who sternly warns her to stay away from Yi-chan. However, it doesn't work, and Se-gyeong approaches Yi-chan with different intentions. Meanwhile, Chung-ah can only stand by and watch as she realizes she's lost her chance to tell Yi-chan how she feels.

  Director: Unknown

  Writer: Unknown

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  8.5/10242 votes

  Where Are You Eun Gyeol ?

  Season 1 Episode 7 - Aired 10/16/2023

  Chung-ah wakes up, realizing she's lying on a hospital bed, with the revelation that Yi-chan carried her there on his back. Later, Yi-chan learns her name from her tag for the first time. Meanwhile, Eun-gyeol has been silent for days, causing concern for Yi-chan. Attempting to locate him, Yi-chan hands out flyers and ends up facing trouble with local thugs. Se-gyeong desperately meets with each band member to verify something important.

  Director: Unknown

  Writer: Unknown

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  8.7/10254 votes

  I Found Ha Eun Gyeol

  Season 1 Episode 8 - Aired 10/17/2023

  Eun-gyeol wakes up at the house of the Jinsung Family after the accident. He finds out that Chung-ah was the daughter of Chairman Yoon Gun-hyung. Meanwhile, Yi-chan is hospitalized after getting beat up by the local thugs. Se-gyeong tells him that Chung-ah was the one who called for help to save him. Meanwhile, Eun-gyeol decides to help Chung-ah learn the sign language.

  Director: Unknown

  Writer: Unknown

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  8.5/10235 votes

  Friendship or Love?

  Season 1 Episode 9 - Aired 10/23/2023

  Astounded by Eun-gyeol's candid love confession for Se-gyeong, Yi-chan retaliates with a spirited punch. Eun-gyeol's attempts at self-defense lead to Yi-chan having a bleeding nose on both sides. The schoolyard transforms into a battleground as students try to intervene, and the entire situation gains momentum. Se-gyeong (actually Eun-yu) is left in shock by the unexpected confession. Meanwhile, Eun-gyeol uncovers a hidden secret about Chung-ah.

  Director: Unknown

  Writer: Unknown

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  8.7/10252 votes

  Let Yourself Twinkle

  Season 1 Episode 10 - Aired 10/24/2023

  Eun-gyeol can't hide his feelings for Se-gyeong and ends up kissing her. Chung-ah's stepmother calls Eun-gyeol separately and tells him to quit before he teaches Chung-ah sign language. The members of the band decide to change their band name and theme right before the festival and ask Se-gyeong and Chung-ah for help. Meanwhile, Eun-gyeol learns that Master has sent a helper for him.

  Director: Unknown

  Writer: Unknown

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  8.7/10239 votes

  Dangerous Rehearsal

  Season 1 Episode 11 - Aired 10/30/2023

  As the festival draws near, the boys are intensely focused on fine-tuning their band performance. Meanwhile, Eun-gyeol reflects on a pivotal clue related to a potential accident leading to hearing loss. Believing Dong-jin to be the helper that Master mentioned, he pleads with Yi-chan to skip the rehearsal, but his request is dismissed. Meanwhile, Eun-yu grapples with the challenge of uncovering her mother's genuine first love.

  Director: Unknown

  Writer: Unknown

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  8.5/10231 votes

  The Day of Decision

  Season 1 Episode 12 - Aired 10/31/2023

  Eun-gyeol successfully cancels the rehearsal and prevents Yi-chan from getting seriously hurt. Chairman Yoon extends the contract with Eun-gyeol and changes the terms and conditions. The day of the festival is finally here, and Se-gyeong has to choose between Eun-gyeol and Yi-chan. Chung-ah decides not to show up at the festival.

  Director: Unknown

  Writer: Unknown

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  8.8/10255 votes

  The Final Festival

  Season 1 Episode 13 - Aired 11/6/2023

  As the enchanting glow of their festival fades, Eun-gyeol and Eun-yu acknowledge the depth of their feelings, hoping for a lasting connection. Meanwhile, the anticipated disbandment takes an unexpected turn, giving the boys another shot at the stage. The hurdle now is creating their own song, and Yi-chan suggests a gathering for this endeavor while musing on how to persuade Chung-ah to join.

  Director: Unknown

  Writer: Unknown

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  8.9/10275 votes

  Another Time Traveller

  Season 1 Episode 14 - Aired 11/7/2023

  Eun-gyeol and Se-gyeong realize that they’re both time travelers. He learns that Se-gyeong also had a mission to accomplish while she was in 1995. Eun-gyeol finds out that Chung-ah has been confined and abused for the past 12 years. Meanwhile, Se-gyeong tells Eun-gyeol that Yi-chan’s accident didn’t happen on the day before the festival and that it hasn’t happened yet.

  Director: Unknown

  Writer: Unknown

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  8.7/10241 votes

  The Hints

  Season 1 Episode 15 - Aired 11/13/2023

  Eun-yu drops clues about Yi-chan's real hearing loss incident to Eun-gyeol. Knowing that Eun-gyeol tends to shoulder blame for everything, she pledges to support him through this tough time. However, suspicions linger in her mind about the complexity of her connection with Eun-gyeol. Together, they methodically investigate everyone linked to the accident in search of the truth. Meanwhile, Yi-chan assures Eun-gyeol that he won't leave the house for the entire day.

  Director: Unknown

  Writer: Unknown

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  9.1/10337 votes

  Everything You Hoped for and More

  Season 1 Episode 16 - Aired 11/14/2023

  Yi-chan gets hit by a car and loses his hearing. Master tells Eun-gyeol to go back to his time, but he refuses, determined to catch the guy who hit Yi-chan. Se-gyeong convinces Eun-gyeol to return to 2023, and when he finally does, a completely different life awaits him.

  Director: Unknown

  Writer: Unknown