A criminal profiler finds a mysterious old phone that connects him to a clumsy yet resolute detective, who has been missing for 20 years and is calling from the year 1998.
Complete episode guide for Signal with detailed information about every season and episode including air dates, summaries, ratings, and streaming availability in United States.
This episode guide is organized by seasons, making it easy to track your viewing progress or find specific episodes. Use the episode information to plan your binge-watching sessions or catch up on missed episodes.