The Watcher is an American mystery thriller television series created by Ryan Murphy and Ian Brennan for Netflix.^[3] It premiered on October 13, 2022.^[4] It is loosely based on a 2018 article by Reeves Wiedeman for New York magazine's website The Cut.^[4][5] Despite being originally conceived as a miniseries, The Watcher was renewed for a second season in November 2022.^[6]

The series follows a married couple who, after moving into their dream home in a fictionalized version of Westfield, New Jersey, are harassed by creepy letters signed by a stalker who goes by the pseudonym "The Watcher".^[5][7]

The series is based on a 2018 article for New York's "The Cut" by Reeves Wiedeman, which chronicled the experience of Derek and Maria Broaddus after they received threatening letters upon moving into their home at 657 Boulevard in Westfield, New Jersey in 2014,^[5] which continued until they sold the home in 2019.^[9] The character John Graff was based on John List, a mass murderer and longtime fugitive who murdered his family in his Westfield home in 1971. Similarities between John Graff's character and the List murders include his career as an accountant, attending Lutheran church, and murdering his family members and live-in mother, along with leaving music playing in the house and planning an alibi that would cause the bodies to remain undiscovered for several weeks.^[10]

On-location scenes for the home at 657 Boulevard were filmed at a private residence in Rye, New York that was built in 2016.^[11] The scenes where the Brannock family stays at a motel were filmed at an operating motel located in the hamlet of Locust Valley on Long Island, New York.^[12]

While no scenes were filmed at the real-life 657 Boulevard residence in Westfield, the neighborhood received increased attention from visitors and fans following the release of the series; the home was guarded by police and barricade tape to prevent trespassers in October 2022.^[13]

The review aggregator website Rotten Tomatoes reported a 56% approval rating with an average rating of 5.5/10, based on 34 critic reviews. The website's critics consensus reads, "This suburban nightmare sometimes achieves the campy fright of creator Ryan Murphy's best horror fare, but it sprawls in too many ludicrous directions to satisfy."^[14] Metacritic, which uses a weighted average, assigned a score of 54 out of 100 based on 8 critics, indicating "mixed or average reviews".^[15]

Daniel D'Addario of Variety summarized the show as "ultimately unremarkable fiction."^[16]