Evil

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. Ben uses science to solve his Jinn problem.

Potentially demonic pork products lead Kristen, David, and Ben to a pig farm to investigate. David increases his remote viewing skills and Leslie, the surrogate carrying Kristen's child, comes to her for help.

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.

A possibly possessed dancer leads Kristen, David and Ben to a dance troupe with coven-like practices. Sheryl reaches her breaking point with Leland.

Ben and David join a train engineer who believes he is being haunted on the tracks. Kristen cares for her mother. Ben begins to question his sanity, impacting his relationship with Renee.

David stumbles into the life of a man planning murder-suicide and the team rush to find him. Sheryl executes her plan to stop baby Timothy from becoming the Antichrist.

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.

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.

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

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

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

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.

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

The team is charged with investigating a man who claims that he is hearing an angel.

The team encounters a nine-year-old girl, Mathilda, who is seemingly haunted by a Jinn, a spirit in the Islamic faith.

The team is sent to investigate the disappearance of a teenage boy, Wyatt.

Father Mulvehill asks the team for a confidential evaluation, as he fears that he might be the victim of diabolical oppression.

After the shooting of an unarmed woman, the team is tasked with investigating the police officer who pulled the trigger.

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 are sent to Cornell University, at the request of Bishop Marx, to investigate an electrode-based experiment.

Forensic psychologist Kristen Bouchard is hired by the Catholic Church to work with David Acosta, a priest-in-training, and contractor Ben Shakir, to determine whether a serial killer is possessed by a demon or merely a psychopath. Kristen finds that she has a taste for the work and is invited to join the team on a permanent basis.

Kristen, David and Ben are called to investigate a supposed miracle when Naomi Clark, a 17-year-old soccer player, comes back to life after she had been declared dead for almost two hours. Kristen meets with her former boss at the Queens District Attorney's office, where she runs into Leland Townsend.

After a high-strung theater producer's behavior turns from demanding to what is believed to be demonic, Kristen, David and Ben are called in to assess the situation. Kristen discredits Townsend before he can ruin a 17-year-old boy's life.

Kristen, Ben and David are hired to evaluate Eric, a seemingly psychopathic 9-year-old boy. Eric takes a liking to David, which leaves them hopeful they can curb his violent behavior. Also, Kristen is most affected by this investigation as she worries about her young daughters who lied about a horror game their grandmother, Sheryl, bought behind her back.

On Halloween night, Kristen and David are sent to assess an exorcism, but once the pair analyzes the situation, they are at odds while trying to determine whether it is a supernatural demonic possession, or severe mental disease escalated by physical and mental distress. Also, Ben goes on his favorite show, "Demon Hunters," where he debunks their supernatural finds with fellow unbeliever Vanessa.

The Catholic Church asks Kristen, David and Ben to assess the veracity of a local prophetess, Grace Ling, and they are shaken when they see one of her visions come to life. Also, David struggles with jealousy when he sees God speaking with the prophetess, and to Kristen's dismay, her mother, Sheryl, and Leland begin a relationship.

When Bridget confesses to murder during her exorcism, Monsignor Korecki asks Kristen, David and Ben to investigate if the details match any open cases and if the woman really is possessed by a demon.

When David recognizes one of the sigils in his father Leon's artwork, he and Kristen journey to a remote art commune to investigate its meaning and how it's related to David's family.