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Signal
2 Seasons • 17 Episodes
Top Pick
Stream on Amazon Prime
HD · Included
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You can stream Signal (2016) on Amazon Prime with a subscription.
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
A crackling walkie-talkie bridges two different decades, allowing a modern detective to exchange vital clues with a long-dead colleague. This temporal link turns cold cases into living puzzles where every answered call shifts the timeline.
Trailer
Cast
Lee Je-hoon, Kim Hye-soo, Cho Jin-woong, Jang Hyun-sung, Jung Hae-kyun, Kim Won-hae, Jung Han-bi, Lee Yoo-jun, Kim Min-gue, Kang Chan-hee
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3 options ranked by value · 🇺🇸 United States
Included with subscription
Last verified 8 days ago
Signal
2 Seasons • 17 Episodes
You can stream Signal (2016) on Amazon Prime with a subscription.
IMDb
8.2/10
RT Audience
96%
Cast
Lee Je-hoon, Kim Hye-soo, Cho Jin-woong, Jang Hyun-sung, Jung Hae-kyun, Kim Won-hae, Jung Han-bi, Lee Yoo-jun, Kim Min-gue, Kang Chan-hee
3 options ranked by value · 🇺🇸 United States
Keep browsing: Airing Now · Popular TV Shows · Crime · Mystery
corruption · investigation · murder · tragic past · butterfly effect · dark · suspense · thriller · awestruck
Signal is streaming on Amazon Prime. Signal is streaming on Amazon Prime Video with Ads. Signal is streaming on Netflix. Signal is not currently available on Hulu, Max, Disney+, Prime Video, Apple TV+. Availability last verified July 13, 2026.