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.

Bishop Marx tasks the team to investigate a UFO sighting, spotted by an air force pilot.

Ben, David, and Kristen investigate the RSM Fertility clinic - since so many of their past cases have led back to the ominous clinic.

The IRS taps the team to investigate the legitimacy of a new organization seeking religious status for tax exemption.

At Dr. Boggs' request, the team is introduced to a recently widowed Catholic named Nathan, and his teenage son, Elijah.

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