• Air date: 23 May '24 14 episodes
      In Season 4, Kristen, David and Ben continue to assess cases that involve wayward technology, possessed pigs, demonic oppression and infestation, a dance muse conjured by alleged witches and an evil relic. Throughout, Leland attempts to lure Kristen into raising a baby antichrist who was conceived with her ovum. David is recruited by the Vatican's secret service to "remote view" a paranormal ability to see the unseen in order to detect evil. Ben is hit by an ion beam, causing him to see visions
  • List of Episodes (14)
    • 1. How to Split an Atom

      23 May '24
      Kristen learns the details of Leland's evil scheme involving her ovum, and Sheryl's involvement in the plot increases the tension between mother and daughter. Meanwhile, David, Ben, and Kristen are sent to investigate a particle accelerator suspected to be a gateway to Hell.
    • 2. How to Train a Dog

      30 May '24
      Kristen, David, and Ben look into a possible werewolf attack that isn't what it seems. Andy grapples with his mysterious trauma, while Ben uses science to solve his Jinn problem.
    • 3. How to Slaughter a Pig

      06 Jun '24
      Kristen's surrogacy faces complications, and the team visits a pig farm.
    • 4. How to Build a Coffin

      13 Jun '24
      Andy is pushed to deadly measures as the team investigates a speech demon.
    • 5. How to Fly an Airplane

      20 Jun '24
      The team visits the Vatican as sinister forces besiege the Bouchard house.
    • 6. How to Dance in Three Easy Steps

      27 Jun '24
      Sheryl reaches her breaking point with Leland.
    • 7. How to Bandage a Wound

      04 Jul '24
      Ben begins to question his sanity, impacting his relationship with Renee.
    • 8. How to Save a Life

      11 Jul '24
      Sheryl takes action to prevent a catastrophic event.
    • 9. How to Build a Chatbot

      18 Jul '24
      The team looks into bizarre text messages. Sheryl tries to beat Leland.
    • 10. How to Survive a Storm

      25 Jul '24
      Kristen must protect her family. Sheryl and Leland's war peaks.
    • 11. Fear of the Future

      01 Aug '24
      The team receives disappointing news. Kristen meets mysterious stranger Ellie, who claims to be an old friend of Sheryl's. A game between the two reveals disturbing information about Kristen's future...and about Ellie herself.
    • 12. Fear of the Other

      08 Aug '24
      Sister Andrea gives the team their last assessment, a man who believes his doppelganger has possessed him and has a personal connection to the nun.
    • 13. Fear of the Unholy

      15 Aug '24
      The Vatican asks the team to investigate a Hawking-like genius for potential ties to the occult. David's continued aiding of the Entity produces physical effects, and he and Sister Andrea say goodbye to St. Joseph's. Meanwhile, Leland returns home, where David confronts him.
    • 14. Fear of the End

      22 Aug '24
      An ominous countdown begins after the Bouchard girls start a new game on their VR goggles. The Entity moves to stop the Sixty, despite Sister Andrea's warnings. The team receives an offer they never expected. Kristen faces a final threat as Leland takes matters into his own hands.