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Few genres are as beloved in Korean television as the time-travel romance. Whether it is a goblin who has lived for nearly a thousand years, a walkie-talkie that connects detectives across decades, or a modern girl who falls into the Goryeo court, time-travelling K-dramas use the gap between past and present to tell stories about love, fate, and second chances. Here are seven must-watch K-dramas that bend time beautifully, plus bonus picks and a quick guide to where you can stream them.
1. Goblin (도깨비, 2016)
The drama that redefined K-fantasy. Guardian: The Lonely and Great God, better known simply as Goblin, follows Kim Shin (Gong Yoo), a 939-year-old immortal goblin cursed to live forever after dying as a Goryeo general. He shares a townhouse with a charming grim reaper (Lee Dong-wook) and meets Ji Eun-tak (Kim Go-eun), the high school student destined to be his bride and the only one who can end his suffering. With cinematic shots in Quebec, a swoon-worthy soundtrack, and a story that jumps between past lives and the present day, Goblin became the first cable drama to cross the 20 percent viewership mark in Korea.
2. Signal (시그날, 2016)
If you only watch one K-drama from this list, make it Signal. A profiler in 2015 (Lee Je-hoon) discovers an old walkie-talkie that, at exactly 11:23 p.m., connects him to a detective in 1989 (Jo Jin-woong). Together with a no-nonsense lieutenant played by Kim Hye-soo, they reopen cold cases inspired by real Korean crimes, including the Hwaseong serial murders. Tightly written by Kim Eun-hee, Signal is a thriller that uses time travel to ask what we owe the victims we never managed to save.
3. Mr. Sunshine (미스터 션샤인, 2018)
Set in turn-of-the-century Hanseong (modern Seoul), Mr. Sunshine traces the sweeping wartime romance between Eugene Choi (Lee Byung-hun), a Joseon-born U.S. Marine, and Go Ae-shin (Kim Tae-ri), an aristocrat's granddaughter who has secretly joined the Righteous Army. While not time travel in the supernatural sense, the drama's frame story carries the love story from the late Joseon dynasty through the Japanese occupation to the brink of the Korean War. With a 40-billion-won budget, it is one of the most visually stunning period K-dramas ever produced.
4. Reply 1988 (응답하라 1988, 2015 to 2016)
Reply 1988 is technically a nostalgia drama, but its time-travel structure earns it a spot on this list. The story opens in the present day, where the adult Deok-sun is being interviewed about her first love. The narrative then plunges into 1988, following five families living in the same Ssangmun-dong alley as their kids navigate first crushes, school exams, and the Seoul Olympics. With Hyeri, Park Bo-gum, Ryu Jun-yeol, and Go Kyung-pyo at its center, Reply 1988 makes you feel like you have personally travelled back to the late 1980s.
5. Tomorrow With You (내일 그대와, 2017)
What if you could ride the subway into your own future? Yoo So-joon (Lee Je-hoon) is a real estate CEO who can time travel by boarding a Seoul Metro train between Seoul Station and Namyeong. After seeing a bleak version of his future self, he marries photographer Song Ma-rin (Shin Min-a) in order to rewrite their shared fate. Tomorrow With You is a quieter, melancholic romance that uses its subway gimmick to explore destiny, regret, and whether the people we love are worth changing time for.
6. Tunnel (터널, 2017)
OCN's Tunnel sends Detective Park Gwang-ho (Choi Jin-hyuk) from 1986 hurtling through a tunnel and into present-day Seoul while chasing a serial killer inspired by the Hwaseong murders. Stuck in 2017, he teams up with elite detective Kim Sun-jae (Yoon Hyun-min) and criminal psychology professor Shin Jae-yi (Lee Yoo-young) to catch a killer who has been hiding in plain sight for decades. Tight, suspenseful, and emotionally weighty, Tunnel is the crime-thriller cousin of Signal.
7. Moon Lovers: Scarlet Heart Ryeo (달의 연인 보보경심 려, 2016)
During a total solar eclipse, modern-day Go Ha-jin (IU) wakes up in the year 941, in the body of Hae Soo, surrounded by the warring princes of the Goryeo dynasty. Caught between the gentle 8th prince Wang Wook (Kang Ha-neul) and the masked, scarred 4th prince Wang So (Lee Joon-gi), Hae Soo learns the heart-breaking cost of knowing how history ends. Visually lush and emotionally devastating, Scarlet Heart Ryeo became a cult favourite in K-drama fandoms around the world.
Bonus Picks for Time-Travel K-Drama Fans
If seven dramas are not enough, queue up these four more. The King: Eternal Monarch (2020) sends Emperor Lee Gon (Lee Min-ho) between two parallel Koreas, with Kim Go-eun as the detective who anchors him to our world. Mirror of the Witch (2016) is a Joseon-era fantasy where a cursed princess and a young exorcist try to break a centuries-old spell. Splash Splash Love (2015) is a short and sweet web-drama hit in which a high schooler falls into a puddle and lands in front of King Sejong the Great. And Live Up to Your Name (2017) follows a Joseon acupuncturist who arrives in modern Seoul and falls for a stubborn cardiac surgeon.
Why Time-Travel K-Dramas Resonate
Korea's history is full of dramatic turning points, from the Goryeo and Joseon dynasties to Japanese occupation, the Korean War, and the explosive growth of modern Seoul. Time-travel K-dramas let writers and viewers revisit those moments with the eyes of the present, asking what could have been different and what is worth protecting. They also lean into Korean storytelling traditions of fate, han (deep, unresolved sorrow), and inyeon (karmic connection across lifetimes), which is why even a fantasy setup can feel deeply emotional.
Where to Stream Time-Travel K-Dramas
Most of these titles are widely available outside Korea. Goblin, Mr. Sunshine, Reply 1988, Tomorrow With You, and The King: Eternal Monarch all stream on Netflix in many regions. Viki carries Signal, Moon Lovers: Scarlet Heart Ryeo, Tunnel, Splash Splash Love, Mirror of the Witch, and Live Up to Your Name with subtitles in dozens of languages. Kocowa is another great option in the Americas for SBS, KBS, and MBC dramas, while Disney+ and Wavve carry select tvN and JTBC titles. Availability shifts over time, so it is worth checking each platform for your country before you binge.
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