Ichabod and Abbie learn how to reactivate Pandora's Box, which may be their only weapon against the Hidden One as he prepares to bring about the end of humanity.
While Ichabod and Abbie travel to the Catacombs to find a way to stop the Hidden One, the rest of the team stages a desperate holding action to keep the Hidden One from obtaining supreme power.moreless
The key to a current mystery lies in Ichabod's history with Betsy Ross. Meanwhile, Abbie must choose between Daniel and her career as a Witness, and Jenny tries to form a relationship with her father.moreless
To save Ichabod, who is trapped in the archive with the Hidden One, Abbie must make a deal with the devil. Meanwhile, Jenny hesitates when it becomes clear Joe may have to give up his life to save Ichabod.moreless
A monster attacks Abbie and Sophie during a FBI wilderness training exercise, threatening to reveal the truth about the supernatural to Daniel. Meanwhile, Ichabod finds out more about Abbie's symbol, and Joe and Jenny obtain a fragment of Pandora's Box.moreless
The Jersey Devil commits several grisly murders, but Ichabod and Abbie soon discover that the creature's plan involves the Hidden One regaining his power. Meanwhile, Joe and Jenny hit a hitch in their relationship, and Abbie has to choose between Ichabod and the symbol that kept her alive in the Catacombs.moreless
Jenny meets with Ezra, who wants to help Abbie with her current emotional problems. Meanwhile, Atticus Nevins reenters the team's lives when he demands safe passage out of the country in return for his information on the creature that is stalking Sleepy Hollow.moreless
The Kindred returns to Sleepy Hollow, leaving a trail of death in its path. However, Abbie and Ichabod soon discover that they can't simply exterminate it. Meanwhile, Daniel asks Abbie to return to the FBI, and Ichabod deals with his tattered relationship with Zoe.moreless
A living Gargoyle kills a man at a restored bell tower. However, Ichabod searching for Abbie on the astral plane, so Sophie teams up with Joe and Jenny to deal with the creature. Meanwhile, Pandora offers Abbie a way back to Earth... in return for the Eye of Providence.moreless
While Ichabod continues his search for Abbie, he inadvertently releases a vengeance demon that feeds on desperation. Meanwhile, Sophie continues the FBI investigation into Abbie's disappearance, and Jenny and Joe try to obtain a map that may lead them to Abbie.moreless
The secrets of the Shard emerge, threatening the Witnesses, Joe, Jenny, and Abbie's FBI career.
Abbie is put in charge when Daniel heads to DC, and gets into more trouble when Joe and Jenny's actions against Atticus threaten her career.
Ichabod and Abbie pursue a new monster that can induce extreme paranoid--and death--in its victims. Meanwhile, Abbie orders Jenny to stay away from Atticus, but Joe isn't interested.
Pandora resurrects a foe from Ichabod's past to unleash fear in Sleepy Hollow. To find their opponent's weakness, Abbie and Ichabod turn to their new friends Booth and Brennan for help. Meanwhile, Joe and Jenny discover that the man who is behind the theft of the Shard is an old friend of Joe's father.moreless
Pandora unleashes the demonic creature that was the basis for the Tooth Fairy on the children of Sleepy Hollow. Meanwhile, Abbie tells Jenny about finding their father, and Ichabod continues his quest for American citizenship.moreless
Pandora's newest threat is a killer from Ichabod's schoolboy past. Meanwhile, Joe and Jenny find a new player when they go looking to recover the Shard of Anubis.
Pandora unleashes a creature that seeks to kill those discovering secrets. Meanwhile, Abbie's new boss arrives in Sleepy Hollow, and Joe goes to Jenny seeking answers.
Nine months after the deaths of Henry and Katrina, Ichabod is arrested returning to the U.S. Abbie--now an FBI agent--gets him out and they discover that a new evil has been unleashed upon the world.moreless
Trapped in the past, Abbie tries to convince Ichabod that they are future partners while trying to stop Katrina from assuring the Horseman's victory.
Ichabod and Abbie try to stop Henry's scheme to use a mystic bell to create a new cult of witches. However, they learn that he has an unexpected ally. Meanwhile, Irving comes after Jenny.moreless
Ichabod and Abbie find a new series of tunnels beneath Sleepy Hollow and have an encounter with an old friend of Ichabod's. Meanwhile, Katrina receives a visit from Henry, and Jenny receives a visit from Irving.moreless
Solomon Kent, a warlock who set off the Salem Witch Trials to protect himself, seeks out a Grimoire that will give him the power to undo the mistake in his past that turned him into a warlock. Meanwhile, Irving approaches Abbie, while Henry contemplates his past and decides on his future.moreless
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
The End of Days draws nigh, and Ichabod and Abbie capture Abraham in the hopes of learning where they can find Moloch and Henry. However, Abraham reveals that the Sword of Methuselah can only be used at a terrible cost.moreless
Ichabod and Abbie discover the existence of the Sword of Methuselah, the only weapon capable of killing Moloch. They race to find it, only to discover that Henry has learned of the weapon's existence and sent the Horseman of Death to get it first.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