Signal 2016
“There are those who are born monsters, but there are also those who are made into monsters by people.”
- Status
- Ended
- First Aired
- January 22, 2016
- Last Aired
- March 12, 2016
- Format
- 2 seasons · 17 eps
- Highest Rated Episode
- S1E8 "How Are You Alive?" (★ 8.6/10)
- Created By
- Kim Eun-hee, Kim Won-suk
- Network
- tvN
- Where to Stream
- Netflix, Amazon Prime Video, Netflix Standard with Ads
What is Signal?
Signal is a television series first released in 2016. Catalogued under Crime, Mystery, Sci-Fi & Fantasy, Drama.
- Type
- TV series
- Year
- 2016
- Status
- Ended
- Episodes
- 17
- First aired
- Jan 22, 2016
- Last aired
- Mar 12, 2016
- Original language
- KO
- Origin
- KR
- Networks
- tvN
- Genres
- Crime, Mystery, Sci-Fi & Fantasy, Drama
- Updated
At a glance
- Rating
- ★ TMDB users: 8.2/10 from 192 votes
- Format
- 2 seasons · 17 episodes
- Status
- Ended
- Network
- tvN
Where to watch in United States
Stream
Netflix
Amazon Prime Video
Netflix Standard with Ads
Amazon Prime Video with AdsStream
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Tubi TVStream
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FilminStream
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The Roku ChannelTubi TVStreaming availability data provided by JustWatch via TMDB. Availability changes by country and date; verify on the provider before subscribing or purchasing.
How long to binge?
Estimate the schedule using 17 episodes and an average 45-minute runtime.
Trailer
Overview
Signal is a television series first released in 2016. Catalogued under Crime, Mystery, Sci-Fi & Fantasy, Drama. Produced and broadcast by tvN. Current status: Ended. Spans 2 seasons and 17 tracked episodes.
Should you watch it?
“Detectives from the past and present communicate via walkie-talkie to solve long-unsolved criminal cases.”
- engaging mystery premise
- strong performances
- inspired by real criminal incidents
- intense themes
- complex timeline structure
Watch it if you enjoy suspenseful crime dramas that incorporate elements of science fiction and mystery.
The series is rated TV-MA and contains themes related to murder, death, and corruption.
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Ask anything about Signal — answers are spoiler-safe.
Your verdict
Is Signal worth watching?
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Episode guide
Spoiler-Safe Browsing Progress
Season 1 · 16 episodes
Open the complete Season 1 guide & lore primer →- E1 You're Doomed Mytharc Jan 22, 2016
- E2 We Still Have a Chance Core Jan 23, 2016
- E3 We Can Prevent the Killings Core Jan 29, 2016
- E4 We Found the Killer Core Jan 30, 2016
- E5 Changing the Past Alters the Present Core Feb 5, 2016
- E6 Catch Him by All Means Core Feb 6, 2016
- E7 We Must Dig Deeper Core Feb 12, 2016
- E8 How Are You Alive? Core Feb 13, 2016
- E9 Hongwon-dong Case Core Feb 19, 2016
- E10 Someone Has to Stop the Bad Guys Core Feb 20, 2016
- E11 The One Last Case Core Feb 26, 2016
- E12 The Case Was Manipulated Core Feb 27, 2016
- E13 The Real Assailant Core Mar 4, 2016
- E14 Not Now, but Maybe in the Past Mytharc Mar 5, 2016
- E15 Is It Really You? Mytharc Mar 11, 2016
- E16 If You Don't Give Up Mytharc Mar 12, 2016
Season 2 · 8 episodes
Open the complete Season 2 guide & lore primer →- E1 Episode 1 Mytharc Nov 30, 2026
- E2 Episode 2 Core Dec 1, 2026
- E3 Episode 3 Core Dec 7, 2026
- E4 Episode 4 Core Dec 8, 2026
- E5 Episode 5 Core Dec 14, 2026
- E6 Episode 6 Core Dec 15, 2026
- E7 Episode 7 Mytharc Dec 21, 2026
- E8 Episode 8 Mytharc Dec 22, 2026
Frequently asked questions
What is the premise of Signal?
A cold-case profiler in 2015 and a detective in 1989 communicate via a special walkie-talkie to solve crimes.
How many episodes are in the series?
The series consists of 16 episodes.
Who are the main actors?
The series stars Lee Je-hoon, Kim Hye-soo, and Cho Jin-woong.
Are the cases based on real events?
The series was inspired by real-life criminal incidents in Korea, including the Hwaseong serial murders.
When did the series air?
The series aired from January 22, 2016, to March 12, 2016.
■ Ended / Final Season Complete Renewal tracker
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