“There are those who are born monsters, but there are also those who are made into monsters by people.”
Watch Signal for Free in 123Movies
Signal (2016) – Official Series Trailer, Cast & Seasons
Signal at a Glance
Signal is a 2016 crime, mystery, sci-fi & fantasy and drama TV series created by Kim Eun-hee and Kim Won-suk, featuring Lee Je-hoon, Kim Hye-soo and Cho Jin-woong. It first aired on January 22, 2016 on tvN and has 2 seasons and 24 episodes. TMDB lists it as a returning series, with the next episode scheduled for November 30, 2026, and it is rated 8.2/10 by TMDB users across 202 votes.
Watch the official Signal trailer for free in 123Movies below.
1080p HD • Free YouTube Stream
Seasons & Episode Catalog (3)
Specials
3 Episodes • 2016
Season 1
16 Episodes • 2016
The Second Signal
8 Episodes • 2026
Where “Signal” Fits in the 123Movies Catalog
Frequently Asked Questions About Signal
When did Signal first air?
Signal premiered on January 22, 2016 on tvN.
How many seasons does Signal have?
Signal has 2 seasons with 24 episodes in total, according to TMDB.
When is the next episode of Signal?
According to TMDB, season 2, episode 1 of Signal is scheduled to air on November 30, 2026.
Who stars in Signal?
Signal stars Lee Je-hoon as Park Hae-young, Kim Hye-soo as Cha Soo-hyun, Cho Jin-woong as Lee Jae-han and Jang Hyun-sung as Kim Bum-joo. The cast also includes Jung Hae-kyun, Kim Won-hae, Jung Han-bi and Lee Yoo-jun.
Who created Signal?
Signal was created by Kim Eun-hee and Kim Won-suk.
What network is Signal on?
Signal airs on tvN.
What genre is Signal?
Signal is listed on TMDB as a mix of crime, mystery, sci-fi & fantasy and drama.
What is Signal rated?
Signal is rated TV-MA in the United States. On TMDB it has an average user score of 8.2/10 from 202 votes.
Where can I watch the trailer for Signal for free?
You can watch the official trailer for Signal, "[#시그널] 6분 하이라이트!", for free on this 123Movies page. It is embedded from YouTube.
What shows are similar to Signal?
Series TMDB recommends alongside Signal include The Good Detective (2020), Big Mouth (2022), Emergence (2019), Connection (2024) and Grimm (2011).
Can I watch full episodes of Signal on 123Movies?
No. 123Movies only shows official trailers and series information. Full episodes are not hosted or linked on this site.
The Good Detective
Big Mouth
Emergence
Connection
Grimm
My Name
Fool Me Once
The Prosecutor's Proposal
The Bay
Mr. Mercedes
Criminal Minds
