Lesley-Ann Brandt does her own singing as Maze. The song "Wonderwall" is a combination of the original rendition by Oasis and Ryan Adams's rendition.
The title is a reference to the 2018 #SaveLucifer campaign that occurred following Fox canceling the show after season 3. Netflix subsequently picked up the show for a fourth season.
Jack is a name that is mentioned for Amenadiel and Linda's half-angel/half-human baby. This is the same name of the nephilim in Supernatural (2005), in which Lucifer, angels, and demons appear.
The title is said by Eve.