Author Deborah Harkness has been involved with every aspect of bringing this story to film. She had expressed that she had consented to some slight changes to the story for the production's sake.
During the San Diego Comic Con 2018 panel, it was mentioned that Teresa Palmer had to train on handling 17th century books on the Archive University with author/executive producer Deborah Harkness, including flipping the pages, opening and closing the clasps, and touching the leather bound books and pages.
On 2 November 2018, Sky One renewed A Discovery of Witches for a second and a third series. Also Sundance Now And Shudder streaming services in US already acquired the second and third seasons of the said Sky One UK series.
The word "satu" means "fairytale" in Finnish and "Satu" is also used as a girls' name in Finland.