Sister Boniface Mysteries begins filming its fourth season, featuring Lorna Watson and guest stars Les Dennis, Katherine Kingsley.

Sister Boniface Mysteries, a spin-off from Father Brown, begins filming its fourth season, with Lorna Watson returning as the crime-solving nun in the Cotswolds. The new season will feature guest stars Les Dennis, Katherine Kingsley, and others, along with a Christmas special and a pantomime drama. Season 4 is set to release next year on BritBox in the U.S. and UKTV's platforms in the U.K.