How to Split an Atom
E1
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.
How to Train a Dog
E2
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.
How to Slaughter a Pig
E3
Kristen's surrogacy faces complications, and the team visits a pig farm.
How to Build a Coffin
E4
Andy is pushed to deadly measures as the team investigates a speech demon.
How to Fly an Airplane
E5
The team visits the Vatican as sinister forces besiege the Bouchard house.
How to Dance in Three Easy Steps
E6
Sheryl reaches her breaking point with Leland.
How to Bandage a Wound
E7
Ben begins to question his sanity, impacting his relationship with Renee.
How to Save a Life
E8
Sheryl takes action to prevent a catastrophic event.
How to Build a Chatbot
E9
The team looks into bizarre text messages. Sheryl tries to beat Leland.
How to Survive a Storm
E10
Kristen must protect her family. Sheryl and Leland's war peaks.
Fear of the Future
E11
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.
Fear of the Other
E12
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.
Fear of the Unholy
E13
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.
Fear of the End
E14
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.