Signal (2016)

Crime · Drama · Fantasy

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

IMDb rating: 8.4 (12,617 votes)
Episode average: 7.9 -0.5 vs IMDb
Seasons: 1
Streaming (US): Netflix · Amazon Prime Video
Language: KO
Type: TV series

Rating trend: this show's seasons do not settle into one shape. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well.

Browse shows by rating shape → Open in Rising Shows app → View on IMDb

Ratings refreshed Oct 3, 2026 · 1 season indexed

Cast

Seasons

Season 1 (2016)

7.91 avg 16 episodes 7.9 → 7.5 71 min avg

Season 1 episodes - IMDb ratings
#	Title	Rating	Votes
1	You're Doomed	7.9	331
2	We Still Have a Chance	7.9	274
3	We Can Prevent the Killings	7.9	249
4	We Found the Killer	8.2	263
5	Changing the Past Alters the Present	7.4	225
6	Catch Him by All Means	7.7	218
7	We Must Dig Deeper	7.6	206
8	How Are You Alive?	8.4	222
9	Hongwon Dong Case	7.9	207
10	Someone Has to Stop the Bad Guys	8.1	205
11	The One Last Case	7.7	200
12	The Case Was Manipulated	8.2	198
13	The Real Assailant	8.1	202
14	Not Now, But Maybe In The Past	7.9	192
15	Is It Really You?	8.1	198
16	If You Don't Give Up	7.5	223