A Discovery of Witches, a three-season television series adapted from Deborah Harkness's "All Souls" trilogy, enthralled audiences with its blend of fantasy, history, and romance, but there's a good reason A Discovery of Witches season 4 didn't happen. In a Radio Times interview, actor Steven Cree, who portrayed Gallowglass, acknowledged the potential for a Gallowglass Discovery of Witches spinoff in the expansive universe. Yes, I want more Diana and Matthew Yes, I want more Diana and Matthew 0% No, the TV show is over No, the TV show is over 0% I want a prequel/sequel to A Discovery of Witches instead I want a prequel/sequel to A Discovery of Witches instead 0% I want a spinoff of A Discovery of Witches instead I want a spinoff of A Discovery of Witches instead 0%