1 Season
16 Episode
Signal - Season 0 Episode 1 The Beginning (2016)
- Country : South Korea
- Genre : Crime, Mystery, Sci-Fi & Fantasy, Drama
- Studio : tvN
- Director : Kim Eun-hee, Kim Won-suk
- Cast : Lee Je-hoon, Kim Hye-soo, Cho Jin-woong, Jang Hyun-sung, Jung Hae-kyun, Kim Won-hae