Top 22 Fascinating Sci-Fi Korean Dramas Of All Time

Korean dramas have had a big impact all over the world. They have helped spread Korean culture around the world, including its language, food, and fashion. They have also helped South Korea become more popular as a travel destination.

The stories are often intense, fast-paced, and keep you guessing, which makes it hard for people to stop watching once they start. You can watch dramas for free or for a fee on platforms that let you stream them.

Sci-Fi Korean Dramas

There are many different kinds of Korean dramas, such as comedies, romances, thrillers, suspense, stories about friends, sports, and more. Sci-fi, which is short for “science fiction,” is one of them.

Sci-Fi is a type of speculative fiction that usually deals with imaginative and futuristic ideas like advanced technology, time travel, parallel universes, and life on other planets.

Here is a list of some of the best science fiction dramas you can watch. These dramas have everything a good science fiction show should have and are easy to find.

1. Sweet Home

Cha Hyun Soo decides to leave his house. Strange things start to happen in his flat and all over Korea, which soon disrupts his quiet life. Hyun Soo and the other people who live there try to stay alive as people start to change into monsters.

Rating:

Main Cast (Characters):

• Song Kang as Cha Hyun Soo
• Lee Jin Wook as Pyeon Sang Wook
• Lee Shi Young as Seo Yi Kyung
• Lee Do Hyun as Lee Eun Hyuk

No. Of Episodes: 10 (52 min. each)

Streaming Options (region-specific):

2. W: Two Worlds

When Yeon Joo starts to read “W,” a webtoon written by her father, she is pulled into the world of “W.” While she is in the webtoon, she saves Kang Cheol and becomes involved in a murder case.

Rating:

Main Cast (Characters):

• Han Hyo Joo as Oh Yeon Joo
• Lee Jong Suk as Kang Cheol
• Kim Eui Sung as Oh Sung Moo
• Lee Tae Hwan as Seo Do Yoon

No. Of Episodes: 16 (60 min. each)

Streaming Options (region-specific):

3. Doom At Your Service

Dong Kyung lost her parents at an early age. Later, she is diagnosed with brain cancer, forcing her to have less than 100 days to live. As she prays for the destruction of the world, the doom himself comes to her and live with her for the last 100 days.

Cast –

• Park Bo Young as Tak Dong Kyung
• Seo In Guk as Kim Sa Ram
• Lee Soo Hyuk as Cha Joo Ik
• Kang Tae Oh as Lee Hyun Gyu

No. Of Episodes – 16

Watch On – Viki, Prime Video

4. Signal

Park Hae Yeong watches a girl being taken away 15 years ago. Hae Yeong is now a police cop and a criminal profiler. One day, he finds a walkie-talkie that links him with Detective Lee Jae Han from the past. Together, they solve a string of killings.

Rating:

Main Cast (Characters):

• Lee Je Hoon as Park Hae Yeong
• Kim Hye Soo as Cha Soo Hyun
• Jo Jin Woong as Lee Jae Han
• Kim Won Hae as Kim Gye Cheol

No. Of Episodes: 16 (75 min. each)

Streaming Options (region-specific):

5. The King: Eternal Monarch

The drama takes place in two parallel worlds, and it’s about Emperor Lee Gon of the Kingdom of Corea. After walking through a mythical door, he finds a different reality where the Republic of Korea appears instead of the Kingdom.

Rating:

Main Cast (Characters):

• Lee Min Ho as Lee Gon
• Kim Go Eun as Jung Tae Eul
• Woo Do Hwan as Jo Young
• Lee Jung Jin as Yi Rim

No. Of Episodes: 16 (70 min. each)

Streaming Options (region-specific):

6. My Love From The Star

Do Min Joon is an alien who landed on Earth 400 years ago. He has different abilities & a cute appearance. When he discovers that he has three months left on earth, he meets Cheon Song Yi, the biggest Hallyu star in South Korea.

Cast –

• Kim Soo Hyun as Do Min Joon
• Jun Ji Hyun as Cheon Song Yi
• Park Hae Jin as Lee Hee Kyung
• Yoo In Na as Yoo Se Mi

No. Of Episodes – 21

Watch On – Netflix, Viki, Kocowa

7. Memories Of The Alhambra

After receiving an email about a game, CEO of a company travels to Spain to meet the creator of the game. However, he has gone missing, and there, he meets his sister, who is the owner of the hostel he stays in. Both get involved in mysterious incidents.

Cast –

• Hyun Bin as Yoo Jin Woo
• Park Shin Hye as Jung Hee Joo
• Park Hoon as Cha Hyun Suk
• Lee Seung Jun as Park Sun Ho

No. Of Episodes – 16

Watch On – Netflix

8. Sisyphus: The Myth

The drama is about a genius engineer named Han Tae Sul who is trying to find out what happened to his older brother and a mysterious woman named Gang Seo Hae who goes back in time to help him save the world from an impending threat.

Cast –

• Cho Seung Woo as Han Tae Sul
• Park Shin Hye as Kang Seo Hae
• Kim Byung Chul as Seo Won Ju
• Sung Dong Il as President Park

No. Of Episodes – 16

Watch On – Netflix

9. The Silent Sea

Set in the future, when the earth has become a desert and people don’t have enough water or food. The story is about members of a special team who are sent to the moon to get a strange sample from an abandoned research centre.

Rating:

Main Cast (Characters):

• Gong Yoo as Han Yoon Jae
• Bae Doo Na as Song Ji An
• Lee Joon as Ryu Tae Seok
• Heo Sung Tae as Kim Jae Sun

No. Of Episodes: 8 (50 min. each)

Streaming Options (region-specific):

10. I’m Not A Robot

Ji Ah receives a phone call from her ex-boyfriend, who developed a robot that looks exactly like her, but it was shattered in an accident. He offers her money in exchange for going to the home of a shareholder and pretending to be a robot.

Rating:

Main Cast (Characters):

• Yoo Seung Ho as Kim Min Kyu
• Chae Soo Bin as Jo Ji Ah
• Uhm Ki Joon as Hong Baek Gyun
• Park Se Wan as Pi

No. Of Episodes: 16 (60 min. each)

Streaming Options (region-specific):

11. Glitch

One night, After a mysterious flash of light, was cast over him, Ji Hyo’s boyfriend suddenly disappears. As she searches for him, she tries to uncover the truth behind a mysterious secret with the help of a community of UFO watchers, including Bo Ra.

Cast –

• Jeon Yeo Been as Hong Ji Hyo
• Nana as Heo Bo Ra
• Lee Dong Hwi as Ma Hyung Woo
• Ryu Kyung Soo as Kim Byung Jo

No. Of Episodes – 10

Watch On – Netflix

12. Grid

In 1997, a mysterious ghost saved humankind and then disappeared. It reappeared after 24 yrs. The General Affairs Bureau and various detectives digs into the truth about the mysterious existence that saved mankind in crisis.

Cast –

• Seo Kang Joon as Kim Sae Ha
• Kim Ah Joong as Jung Sae Byeok
• Kim Mu Yeol as Song Eo Jin
• Lee Si Young as Ghost

No. Of Episodes – 10

Watch On – Disney+

13. Rugal

A police officer whose attempt to bring down a criminal organization, results in killing his wife and cutting out both of his eyes. The NIS approaches him with an offer to become a member of Rugal. He receives two artificial eyes with biotechnology built into them.

Cast –

• Choi Jin Hyuk as Kang Ki Beom
• Park Sung Woong as Hwang Deuk Goo
• Jo Dong Hyuk as Han Tae Woong
• Jung Hye In as Song Mi Na

No. Of Episodes – 16

Watch On – Netflix

14. Kairos

The drama revolves around two people – a guy whose daughter has been abducted, and a lady whose mother has gone missing. They call each other and help each other, but they are a month apart in time and can only speak for one minute.

Rating:

Main Cast (Characters):

• Shin Sung Rok as Kim Seo Jin
• Lee Se Young as Han Ae Ri
• Ahn Bo Hyun as Seo Do Gyun
• Nam Gyu Ri as Kang Hyun Chae

No. Of Episodes: 16 (70 min. each)

Streaming Options (region-specific):

15. My Roommate is a Gumiho

To become a human, a 999-year-old Gumiho, Woo Yeo needs to fill his fox bead with human energy before he turns 1,000 years old. One day, a college girl, Lee Dam accidentally swallows his fox bead. He suggests that they should live together until they figure out a solution.

Cast –

• Jang Ki Yong as Shin Woo Yeo
• Lee Hye Ri as Lee Dam
• Kang Han Na as Yang Hye Sun
• Kim Do Wan as Do Jae Jin

No. Of Episodes – 16

Watch On – Viki

16. Train

Do Won is a detective who strives to help Seo Kyung. This drama is divided into two worlds. He travels to the other world on a mysterious train that appears in an abandoned station to track down the serial killer with the help of the other Seo Kyung.

Rating:

Main Cast (Characters):

• Yoon Shi Yoon as Seo Do Won
• Kyung Soo Jin as Han Seo Kyung
• Shin So Yool as Lee Jung Min
• Lee Hang Na as Oh Mi Sook

No. Of Episodes: 12 (60 min. each)

Streaming Options (region-specific):

17. Island

The story of a chaebol heiress who is banished to Jeju Island after she is possessed by a spirit. She meets an immortal human and a priest who performs exorcisms. Together, they must fight against the evil that is trying to destroy the world.

Rating:

Main Cast (Characters):

• Kim Nam Gil as Van
• Lee Da Hee as Won Mi Ho
• Cha Eun Woo as Kang Chan Hyuk
• Sung Joon as Goong Tan

No. Of Episodes: 12 (50 min. each)

Streaming Options (region-specific):

18. Are You Human?

The story of a highly advanced android named Nam Shin III, who is created to look exactly like the real Nam Shin. When the real Nam Shin falls into a coma, his mother hires a bodyguard named Kang So Bong to protect the android and keep his true identity a secret.

Cast –

• Seo Kang Joon as Nam Shin
• Gong Seung Yeon as Kang So Bong
• Lee Joon Hyuk as Ji Young Hoon
• Park Hwan Hee as Seo Ye Na

No. Of Episodes – 36

Watch On – Netflix, Viki

19. While You Were Sleeping

A prosecutor named Jae Chan chooses to change the course of events, which saves the lives of Hong Joo and Woo Tak. When they start dreaming about each other, they understand that their lives are now tied together in some way.

Rating:

Main Cast (Characters):

• Bae Suzy as Nam Hong Ju
• Lee Jong Suk as Jung Jae Chan
• Jung Hae In as Han Woo Tak
• Lee Sang Yeob as Lee Yu Beom

No. Of Episodes: 16 (60 min. each)

Streaming Options (region-specific):

20. He is Psychometric

Lee An has a special ability. Whenever he touches someone, he can read that person’s memories. Using his power, he wants to take bad people down. Jae In is a girl with a mental scar. They run into each other and try to solve cases.

Rating:

Main Cast (Characters):

• Park Jin Young as Lee Ahn
• Shin Ye Eun as Yoon Jae In
• Kim Kwon as Kang Sung Mo
• Kim Da Som as Eun Ji Soo

No. Of Episodes: 16 (60 min. each)

Streaming Options (region-specific):

21. 365: Repeat The Year

The story of a group of people who are given the opportunity to relive a year of their lives in order to prevent a tragic accident from happening. Along the way, they uncover hidden truths about themselves and those around them, and must confront their past mistakes.

Rating:

Main Cast (Characters):

• Lee Joon Hyuk as Ji Hyung Joo
• Nam Ji Hyun as Shin Ga Hyun
• Kim Jee Soo as Lee Shin
• Lee Sung Wook as Park Sun Ho

No. Of Episodes: 24 (35 min. each)

Streaming Options (region-specific):

22. Black Knight

The air is so polluted in 2071 that you can’t breathe without a mask. Because most of the Korean peninsula is now a wasteland and barely 1% of the original population remains, delivery drivers are critical to the people’s existence.

Rating:

Main Cast (Characters):

• Kim Woo Bin as “5-8”
• Song Seung Heon as Ryu Seok
• Kang Yoo Seok as Sa Wol
• Esom as Seol Ah

No. Of Episodes: 6 (42 min. each)

Streaming Options (region-specific):

23. Moving

The story revolves around three high school students who acquired superpowers from their parents. It will look at how they learn to use their abilities and conceal them from others, while their parents strive to keep them from being used by others.

Rating:

Main Cast (Characters):

• Ryu Seung Ryong as Jang Joo Won
• Han Hyo Joo as Lee Mi Hyun
• Zo In Sung as Kim Doo Shik
• Cha Tae Hyun as Jeon Gye Do

No. Of Episode: 20 (60 min. each)

Streaming Options (region-specific):

Wrapping Up

So, these were the recommended sci-fi Kdramas you need to watch of you’re interested in fantasy and science. These are suspenseful, romantic, and packed with action scenes that will make you binge-watch them.

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