When the women are walking to the beauty salon, Sally was not portrayed by Kate Isitt. She was unavailable to shoot the scene, so a stand-in was hired.
The first episode to be filmed in widescreen.
Jeffrey mentioned using candles and chanting which is used as a form of witchcraft. Richard Coyle would later go on to play Father Faustus Blackwood in Chilling Adventures of Sabrina (2018), a show about witchcraft.