One's youth is like twinkling watermelons. It is just there to shine.
Overview
A CODA (child of deaf adult) student born with a gift for music crash lands at an unfamiliar place after time traveling through a suspicious music shop. There, he forms the band Watermelon Sugar with other mysterious youths.
Ratings
Curator score: 6.5/10
IMDb: 8.8/10
TMDB: 8.9/10
Created by
Son Jeong-hyeon
Production
Pan Entertainment, Studio Dragon, CJ ENM
Cast
Ryeoun, Choi Hyun-wook, Seol In-a, Shin Eun-soo, Choi Won-young, Seo Young-hee, Jung Sang-hoon, Cheon Ho-jin, Goh Doo-shim, Kim Joo-ryoung, Bong Jae-hyun, Koo Jun-hoe, Ahn Do-gyu, Yoon Jae-chan, Lee Ha-min, Lee Su-chan, Kim Tae-woo, Kwon Do-hyung, Lee Soo-min, Lee Suk-hyeong
Where to watch
Rakuten Viki
Curator Review
Verdict
A warm, emotionally generous time-travel coming-of-age drama with strong music, family feeling, and a surprisingly effective mix of humor and melancholy. It is especially rewarding if you like sentimental K-drama storytelling, found-family bonds, and stories about communication, disability, and second chances.
Best for
Viewers who enjoy heartfelt coming-of-age dramas
Fans of music-centered series and band dynamics
People who like time-travel stories with emotional stakes
Audiences looking for a sentimental but lively family drama
Skip if
You want hard sci-fi with strict time-travel logic
You dislike melodrama or earnest emotional storytelling
You prefer fast, plot-heavy thrillers over character-driven series
You are looking for a very grounded, realistic tone
Overview
Twinkling Watermelon is one of those rare dramas that uses time travel less as a puzzle and more as a way to reframe family, regret, and identity. The setup is playful, but the show’s real strength is its emotional clarity: it understands how music can become language, memory, and connection, especially in a story centered on a CODA character.
Worth noting
The band storyline gives the series momentum and charm, while the 1990s setting adds nostalgia without overwhelming the core relationships. It balances sweetness with genuine ache, and the ensemble chemistry does a lot of heavy lifting. When it works best, it feels buoyant, hopeful, and deeply humane.
Bottom line
This is not a show for viewers who want rigorous sci-fi mechanics or sharp-edged realism. Its appeal is in the feeling: tender, accessible, and often moving in a way that sneaks up on you. As a single-season series, it lands cleanly and is easy to recommend to anyone open to an emotional, music-driven K-drama.