Mr. Mercedes is an American crime drama television series based on the Bill Hodges novel trilogy by Stephen King, which consists of Mr. Mercedes, Finders Keepers, and End of Watch. The series premiered on Audience on August 9, 2017. It was developed by David E. Kelley and stars Brendan Gleeson and Harry Treadaway. In November 2018, it was announced that Audience had renewed the series for a ten-episode third season, which premiered on September 10, 2019. In May 2020, Audience was discontinued, with no indication of whether the show had been officially canceled or that it would return for a fourth season. Its existing three seasons were later picked up in September 2020 by streaming service Peacock.
Retired detective Bill Hodges is still haunted by the unsolved case of "Mr. Mercedes," who claimed sixteen lives when he drove a stolen Mercedes through a line of job-seekers at a local job fair. Meanwhile, brilliant young psychopath Brady Hartsfield emerges to focus his attention on Hodges. What begins as an online cat-and-mouse game between the two soon has deadly real-life consequences as an increasingly desperate Hartsfield becomes bent on leaving his mark on the world.