Signal
“There are those who are born monsters, but there are also those who are made into monsters by people.”
Series Overview
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
Broadcast Schedule & Network Information
Airing status, episode counts, upcoming schedule, and network syndication.
2 Seasons • 24 Episodes
2016 – 2016
Premiered: Fri, Jan 22, 2016
Kim Eun-hee
Kim Won-sukUpcoming Broadcast Premiere
Season 2, Episode 1: “Episode 1”
Seasons & Episodes Breakdown
Trailers, Teasers & Extra Featurettes
Official promotional previews, behind-the-scenes footage, and exclusive clips.
[#시그널] 6분 하이라이트!Official
Type: Trailer • Published 2016-01-14
Cast & Creators
Explore Star Directory →
Creative Leadership & Key Crew
Kim Eun-hee, Kim Won-suk
Age Classification & Content Advisories
Official viewer rating standards and content warnings across international classification boards.
TV-MA: Mature Audience Only — Specifically designed to be viewed by adults and unsuitable for children under 17.
International Certification Matrix
Mature Audience Only — Specifically designed to be viewed by adults and unsuitable for children under 17.
FSK 16 — Restricted to viewers aged 16 and older.
Production Stills & Gallery
Official cinematic photography and background stills for Signal.
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Frequently Asked Questions About Signal
Key facts, seasons breakdown, and credits for search engines and AI assistants.
What is Signal about?
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
How many seasons does Signal have?
Signal comprises 2 seasons available to explore.
Who stars in Signal?
Key cast members in Signal include Lee Je-hoon, Kim Hye-soo, Cho Jin-woong.
Who created or directed Signal?
Signal was developed and directed by Kim Eun-hee, Kim Won-suk.