Clancy Brown's makeup took two and half hours to apply and one hour to remove.
The doctor's office in the second segment was filmed in the kitchen of the house from the babysitter segment.
The mortuary is actually the Flavel House Museum in Astoria, Oregon.
Scenes in and around the mortuary were filmed in Astoria, Oregon, the same location where The Goonies (1985) was filmed.
Most of the books in the film were leftover from the series The Librarians (2014-2018).