"Tunnels," the eighth episode of Servant season four, aired on March 3, 2023, featuring a high-stakes confrontation where Sean and Julian attempt to remove Leanne. Amidst a massive storm, Leanne battles and kills members of the Church of Lesser Saints in the basement, defying "Him" while leaving Sean and Julian injured. Watch the episode on Apple TV+ or read reviews at Rotten Tomatoes . Servant Season 4 Episode 8 Tunnels Recap