Kristen must protect her family. Sheryl and Leland's war peaks.

Sheryl takes action to prevent a catastrophic event.

The team investigates a household terrorized by a demonic infestation and is shocked when they find out the house is next door to Kristen's. Meanwhile, Kristen is surprised to learn that her frozen egg was never destroyed and purchased anonymously which leads her on a new adventure.

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.

The team investigates claims that a demon has been stalking people who have invested in a stock tip. The Entity asks for David's help in transitioning Grace Ling back.

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.

A single mother enlists the team to look into the potentially demonic ways the viral app TipTop is terrorizing her family.

Ben begins to question his sanity, impacting his relationship with Renee.

David’s relationship with Kristen takes a turn when he gives into his temptation. Meanwhile, the team is tasked with exploring a machine to measure the weight of the human soul as it leaves a dying body.

The team encounters a truck driver whose wife thinks he is possessed and explores the possibility of a demon haunting the highway.

The team investigates a young man who is being held against his will to determine if he is possessed or is influenced by a cult.

Andy is pushed to deadly measures as the team investigates a speech demon.

The team responds to reports of possessed toys and electronics originating from a store. David is tasked with retrieving a hidden message that may be the key to saving the prophet Grace Ling.

The team visits the Vatican as sinister forces besiege the Bouchard house.

The team looks into bizarre text messages. Sheryl tries to beat Leland.

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.

The team is sent to meet on campus with Mitch Otterbean, a student with a growing compulsion to eat human flesh.

Sister Andrea’s career and sanity are on trial as she battles Leland. Meanwhile the team investigates an alleged angel sighting.

Sheryl reaches her breaking point with Leland.

The team is given the task of evaluating the likelihood of Leland being possessed, which if decided true, would require them to exorcise him.

Kristen's surrogacy faces complications, and the team visits a pig farm.

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.

The team is dispatched to a monastery to investigate the corpse of Father Thomas, whose body has not decayed in the year following his death.

Kristen, David, and Ben face the horrors of the internet as they investigate a Slender Man-style meme that scares teens into committing blasphemous acts in order to avoid death. Leland trains Sheryl in the fine art of online trolling.

Sister Andrea joins the team to fix a demonically possessed marriage, and Leland and Sheryl continue their crusade for Satan.