Every episode of Signal you can watch online for free. Heads up, there will probably be a few ads.
Season 1Drama Fever
S01 E01Jan 22, 2016
You're Doomed Jan 22, 2016 Haunted by a classmate's kidnapping 15 years ago, Park Hae Young becomes a police profiler who's lost faith in the police force. This all changes when he stumbles upon an old radio that's receiving transmissions from the past.
S01 E02Jan 23, 2016
We Still Have a Chance Jan 23, 2016 After the Kim Yoon Jung kidnapping case, the Chief of police creates a cold case squad. Their first case is the infamous Gyeonggi Nambu serial murders.
S01 E03Jan 29, 2016
We Can Prevent the Killings Jan 29, 2016 During the investigation of the serial murders, Park Hae Young discovers that the radio transmissions are actually connecting him to the past.
S01 E04Jan 30, 2016
We Found the Killer Jan 30, 2016 The cold case squad figures out who the serial killer is, but not before the wrong suspect turns himself in.
S01 E05Feb 5, 2016
Changing the Past Alters the Present Feb 5, 2016 Park Hae Young begins asking questions about Lee Jae Han. Meanwhile, the police force in Lee Jan Han's time struggles with a string of larceny cases.
S01 E06Feb 6, 2016
Catch Him by All Means Feb 6, 2016 Park Hae Young figures out that Oh Kyung Tae's true objective is the father of the girl he kidnaps.