Nick's godmother, the woman who raised him after his parents died, asks for his helping stealing a mystic artifact. He reluctantly agrees, putting him at odds with Abbie, Ichabod, and Jenny. Meanwhile, Irving is cleared of the charges against him but Cynthia still has concerns.moreless
Ichabod and Katrina attend the Sleepy Hollow Historical Soiree and become embroiled in a murder. Meanwhile, Abbie receives an unexpected visit.
While questioning their purpose now that Moloch is dead, Ichabod and Abbie discover that a group of demons have escaped from Purgatory... as has an angel, Orion. Meanwhile, Katrina offers Abraham the chance to restore his humanity.moreless
Abbie and Jenny investigate strange suicides at Tarrytown that may be connected to their mother Lori. Meanwhile, Katrina realizes the nature of the baby and prepares to banish it back to Purgatory.
Ichabod and Abbie join forces with Katrina to take on a succubus that Henry has sent out to drain the life force from her victims, killing them.
Henry brings in a doctor to monitor Katrina's condition after her sudden illness. She manages to escape and Ichabod finds her, and they realize that Moloch has a new plan to manifest on Earth. To stop him, Ichabod reaches out to Henry to use his powers to save his mother.moreless
Corbin's son Joe returns from overseas after receiving an honorable discharge after his platoon is wiped out in a bizarre attack. Ichabod and Abbie soon realize that something is wrong with him. Meanwhile, Henry tells Irving that there is a way for him to free his soul, but it has a cost that Irving may not want to pay.moreless
A ghostly spirit, the Weeping Lady, kills Ichabod's friend Caroline. After it attacks Abbie, Ichabod realizes that the ghost is going after his loved ones... and Katrina is her next intended victim.
When a child in Sleepy Hollow goes missing, Ichabod and Abbie realize that a Pied Piper-like creature that serves Moloch is responsible.
Ichabod and Abbie discover that Henry is trying to spread a curse of violence, unleashing the darkness in individuals so that they kill. Meanwhile, Jenny discovers who was responsible for her mother's imprisonment at Terrytown, and Frank learns the truth about his lawyer.moreless
To defeat the Horseman, Ichabod and Abbie seek out a patchwork man that Franklin and the Sisterhood built to oppose Moloch's servants. Meanwhile, the new sheriff arrests Jenny and Frank explains that demons killed his supposed murder victims.moreless
With Ichabod buried alive and Abbie trapped in Purgatory, Ichabod's son, the Horseman of War, has free reign over Sleepy Hollow... and soon, the world.
Abbie and Ichabod must find a way to save Abbie's sister, Jenny, who has been possessed by an evil spirit.
While attempting to communicate with Katrina in Purgatory, Ichabod and Henry Parrish unwittingly unleash a new evil.
A Colonial house from Ichabod's era may hold they key to finding a missing person... and a secret from Ichabod's past.
Jenny returns to Sleepy Hollow to help Ichabod, Abbie, and Captain Irving against the Horseman, only to realize his true motive wasn't what they believed.
As Ichabod and Abbie deal with the Horseman as it seeks its skull, Abbie gets an unexpected visit from Andy Brooks.
Ichabod disappears and Katrina contacts Abbie in her dreams to warn her that the Headless Horseman is returning, and that she should seek out a reclusive man, John Parrish. Meanwhile, Ichabod encounters a figure from his past.moreless
Ichabod and Abbie are called in to investigate the case of an unidentified boy who has turned up in town. As they investigate his background, they discover a surprising mystery.
Jenny Mills escapes from the institution and Ichabod and Abbie set out to find her before their enemy does. In the process, they learn more about the demon they are facing.
The Sandman, another member of the army of evil, tortures the people of Sleepy Hollow by infiltrating their dreams and turning them into nightmares. When the Sandman targets Abbie, she must seek out her institutionalized sister, Jenny, and face her past.moreless
While still adjusting to his 21st century reality, Ichabod and Abbie continue on their quest to clear up Sleepy Hollow's mysteries. After a vision from Katrina, the two set out to look for a witch from the 1700s. The witch has been awakened and is intent on destroying Sleepy Hollow. Despite what happened to him, Andy Brooks is back and pursuing his own agenda.moreless
The BAU profiles an author whose daughters disappear on the same date his wife did a year ago.