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Some mysteries can’t be explained.
Skeptical forensic psychologist Kristen Bouchard joins priest-in-training David Acosta and technology expert Ben Shakir as they investigate supposed miracles, demonic possessions, and other extraordinary occurrences to assess for a scientific explanation or if something truly supernatural is at work.
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.
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.
Kristen's surrogacy faces complications, and the team visits a pig farm.
Andy is pushed to deadly measures as the team investigates a speech demon.
The team visits the Vatican as sinister forces besiege the Bouchard house.
Sheryl reaches her breaking point with Leland.
Ben begins to question his sanity, impacting his relationship with Renee.
Sheryl takes action to prevent a catastrophic event.
The team looks into bizarre text messages. Sheryl tries to beat Leland.
Kristen must protect her family. Sheryl and Leland's war peaks.
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.
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 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.
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.
Katja Herbers
Dr Kristen Bouchard
Mike Colter
David Acosta
Aasif Mandvi
Ben Shakir
Michael Emerson
Dr Leland Townsend
Brooklyn Shuck
Lynn Bouchard
Skylar Gray
Lila Bouchard
Maddy Crocco
Lexis Bouchard
Dalya Knapp
Laura Bouchard
Andrea Martin
Sister Andrea
Kurt Fuller
Dr. Kurt Boggs
Christine Lahti
Sheryl Luria
Marti Matulis
The Manager / Quareen / Hairy Demon
