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. The series was released on Netflix on January 14, 2022. Between January 9–30, the series was watched for 128.47 million hours globally according to Netflix Top 10s. However, in March 2022, the series was canceled after just one season.

The series is based on the podcast of the same name that began in 2016. Mamoudou Athie and Dina Shihabi star as Dan, examining video tapes in the present, and Melody, who recorded the tapes in 1994. Dan is hired by a mysterious company to restore video footage of grad student Melody's documentary project on an apartment building that burned down, but the job is not what it seems and suddenly, Dan finds himself in the middle of a dangerous mystery involving a disappearance and a secret cult.