Signal (2016)
📌 Available on Netflix and Tubi🛡️ Adults 18+
📖 Story
A haunting transmission bridges two detectives across twenty years, connecting present-day investigators with their predecessor through an old walkie-talkie called Signal. As they piece together a decades-old cold case, the line between past and present blurs dangerously. Each revelation deepens the emotional weight—solving the crime means confronting sacrifices made and lives altered forever. The question becomes not just who committed the crime, but whether changing the past can heal the present.
Will this fit your taste?
Watchprint
Supernatural mystery
78
Strong recommendation
EnergyTense with bursts of wonder
ToneMysterious and emotional
ExperienceAdventure, mystery, and emotional pull
Best suited forviewers who enjoy accessible storytelling
What to expect from this title?Expect mystery, friendship, and supernatural pressure to grow together, with emotion carrying as much weight as the scares.
Questions keep it movingBuilds tension through reveal
🛡️ Age guidance & viewing advice
Adults
📌 TV Parental Guidelines
This title is not ideal for family viewing.
Episode runtime
89 min
Original language
Korean
Country of origin
South Korea
Type
TV Series
Seasons
1
Episodes
17
Status
Returning series
First air year
2016
👥 Cast profile
4 sectionsCast & Crew
Key creators and cast in a compact, organized view.
WritingKim Eun-heeKim Won-suk
CastLee Je-hoonKim Hye-sooCho Jin-woongJang Hyun-sungJung Hae-kyun
ProductionJinnie ChoiLee Jae-moon
MusicPark Seong-ilINKII
Where to watch Signal
Current viewing options based on the best data we have.
Now available through 7 official offers on 2 platforms
Availability may vary by country and by subscription, buy, or rent option. If no verified direct link exists, the button will open provider search or the official provider page.
✅ 7 official offers🎬 2 platforms🌍 May vary by country
Where to Watch
7 platforms available · Prices may vary by country
✨Availability Snapshot7 offers
Signal is currently listed across official watch options including Netflix and Tubi.
Subscription access may be available through Netflix and Tubi, depending on your country and plan.
Use the offer cards below to compare providers, countries, rent, buy, and subscription options clearly.
📺Providers2🎟️Lowest rentVaries🛒Lowest buyVaries
Available 
Netflix
Available in
AE
+2 more
AEUSGB+2
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Videos for Signal
One official video is currently available for this title, with the legacy trailer kept as a fallback when needed.
🎞️ 1 video
![[#시그널] 6분 하이라이트!](https://i.ytimg.com/vi/JnX9ctyNrAI/hqdefault.jpg)
📺Seasons Guide
2 Seasons17 Episodes⏱ 89 min/ep
Ongoing 🔄
Last aired: 2016
Screenshots and images
Cast & crew
Lee Je-hoon
Park Hae-young
Kim Hye-soo
Cha Soo-hyun
Cho Jin-woong
Lee Jae-han
Jang Hyun-sung
Kim Bum-joo
Jung Hae-kyun
Ahn Chi-soo
Kim Won-hae
Kim Gye-chul
Jung Han-bi
Oh Yoon-seo
Lee Yoo-jun
Jung Heon-gi
Show the rest of the cast
Kim Min-gue
Hwang Ui-kyung
Kang Chan-hee
Park Sun-woo
Im Hwa-young
Cha Soo-min
Creators: Kim Eun-hee, Kim Won-suk
❓ FAQ
Short, focused questions that help you decide quickly without repeating details already shown above.
1Where can I watch Signal series?
Signal is available on multiple streaming platforms: Netflix, Prime Video, Apple TV, and Tubi. Choose the platform available in your region to watch the series in high quality.
2How many seasons and episodes does Signal have?
The series consists of 2 complete seasons with a total of 17 episodes, each approximately 45 minutes long. This makes it a complete series you can finish in reasonable time.
3What is the plot of Signal series?
The story revolves around a mysterious radio wave that pierces through time, connecting two separate worlds twenty years apart. Two contemporary detectives receive a strange voice through an old signal device. The series blends crime, mystery, and science fiction elements.
4Is Signal suitable for family viewing or adults only?
The series is classified as crime and drama, and may contain intense scenes and sensitive topics. It's recommended to check the age rating on your streaming platform and review episode content before watching with children.
5When was Signal series released?
The series was released in 2016, making it one of the notable dramatic works from the mid-2010s. Despite the years that have passed, it maintains great popularity among mystery and science fiction enthusiasts.
6Who are the main cast members of Signal?
The series features talented actors including 이제훈, 김혜수, 조진웅, 장현성, and 정해균. They deliver strong performances in this compelling dramatic work.
Ratings
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Ratings compass83.8/100
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