Anna Tingley If you purchase an independently reviewed product or service through a link on our website, Variety may receive an affiliate commission. After hitting theaters in September of last year, and receiving some of the best film reviews of 2022, Ti West’s most recent horror slasher film is finally available to stream from home. “Pearl” arrives on Showtime on Tuesday, May 16. “Pearl,” the prequel to West’s retro slasher “X,” sees Mia Goth reprise her role as the eponymous Pearl in 1918 Texas as she tends to her ailing father on an isolated farm under the watch of her mother. After failing to escape the mundane for the glamorous life she dreams for herself, she spirals into madness, committing a series of gruesome murders before her husband returns from war to face the horrific aftermath.