Mariage mystique
In January 2020, it was announced that production had begun for a ten-episode series of "The Sister Boniface Mysteries" for BritBox, the streaming service. Lorna Watson returns as Sister Boniface. She played the character in 2013 in the "Father Brown" episode, "The Bride of Christ". It was confirmed this series would air in early 2022, with the ninth season of the parent.