Archive 81 is an American supernatural horror television series developed by Rebecca Sonnenshine, who was also an executive producer for the show, along with Paul Harris Boardman and James Wan.

[3] On January 5, 2022, it was reported that Michael Clear, Rebecca Thomas, and Antoine Douaihy were executive producing the series as well.

[3] In November that same year, Martin Donovan, Matt McGorry, Julia Chan, Evan Jonigkeit, and Ariana Neal joined the cast.

[6] Principal photography began on November 16, 2020, and concluded on March 29, 2021, in Pittsburgh, Pennsylvania, with Rebecca Thomas directing half of the series.

The website's critics' consensus reads, "An intriguing blend of horror and noir, Archive 81 offers addictive supernatural thrills that are haunting in the best way.