Is Signal coming back?

Signal ended on November 27, 2019. The show aired its final episode on that date after its first season. It was a Chinese drama series that was available on Tencent QQ, a popular web channel, and it premiered on October 23, 2019.

Signal was a crime and mystery series that involved a criminal profiler who discovered an old phone connecting him to a detective missing for 20 years. The detective was calling from 1998, and the series explored their interactions and the unfolding investigations.

The episodes had a runtime of approximately 34 minutes each.