Signal

2016–2 seasons · 24 episodesReturning Series

4.0201 ratings on TMDb

Your show rating

Rate the series as a whole — no written review required.

There are those who are born monsters, but there are also those who are made into monsters by people.

 Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.

Created by Kim Eun-hee, Kim Won-suk

Network: tvN

NetflixAmazon Prime VideoNetflix Standard with AdsAmazon Prime Video with Ads

Lee Je-hoon, Kim Hye-soo, Cho Jin-woong, Jang Hyun-sung, Jung Hae-kyun, Kim Won-hae, Jung Han-bi, Lee Yoo-jun

Seasons

Season 1

16 episodes · Jan 22, 2016

The Second Signal

8 episodes · Nov 30, 2026

Optional long-form review. Your star rating lives above — you can rate without writing here.

Blackpool

2004

Inspector Rex

1994

We Own This City

2022

Présumé innocent : L'affaire Michelle Perron

2021

Silo

2023

Mask

2019