Mr. Mercedes Season 3 Trailer | Rotten Tomatoes TV

Check out the new Mr. Mercedes Season 3 Trailer! Let us know what you think in the comments below. ► Learn more about this show on Rotten Tomatoes: Want to be notified of all the latest TV shows? Subscribe to the channel and click the bell icon to stay up to date. US Air Date: September 10, 2019 Starring: Brendan Gleeson, Harry Treadaway, Holland Taylor Network: Audience Synopsis: A demented serial killer taunts a retired police detec