In January 2017, it was reported that filming for the series was scheduled to begin in mid-March of that year. By September 25, pilot director Scott Derrickson indicated that production for the series had officially commenced. Reshoots for the pilot, overseen by new director James Hawes, began on August 20, 2018 in Vancouver, British Columbia and concluded on January 24, 2019. Principal photography for the second season began on October 21, 2019 in Langley, British Columbia and was originally expected to end on March 20, 2020. In March 2020, production was shut down due to the COVID-19 pandemic. Lena Hall, who portrays Miss Audrey, confirmed in July 2020 that the last block of episodes for season 2—episodes 9 and 10—were being filmed. As of March 11, 2021, filming for the third season was in progress until at least July 23, 2021. Filming for the fourth season began on March 28, 2022 and concluded on August 6, 2022.
