Mr. Mercedes Season 3, Official Trailer, Peacock

Scared is an understatement: Mr. Mercedes is back for Season 3 Catch up before the new season launches March 4th on Peacock. Based on Stephen King s hit trilogy Mr. Mercedes returns for its muchanticipated third season and the trailer alone sends chills up our spines. Show Synopsis: A retired detective sets out on a dangerous and potentially felonious crusade when a serial killer begins tormenting him through a series of letters and emails.