Ichabod Crane awakes from the throes of death 250 years in the future where he must solve a mystery dating back to the founding fathers. Due to a blood spell cast on a battlefield during the Revolution, the infamous headless horseman is revived along with Crane, and the murderous rider embarks on a bloody rampage in present-day Sleepy Hollow. Ichabod realizes that he must act quickly, for the headless horseman is only the first of the Four Horsemen of the Apocalypse. Detective Abbie Mills, a woman familiar with supernatural experiences, forms a bond with Crane as they try to stop an increasingly vicious cycle of evil.
When Reynolds heads to D.C. to discuss developments in the Nevins case, Abbie is left in command. Jenny and Joe deal with unexpected consequences as a result of stealing the shard, which leaves both the lives of the heroes and Abbie's career in great peril. Meanwhile, a new, more dangerous evil force is revealed.
When Jenny makes the decision to confront her father, family turmoil from the past rises to the surface. Meanwhile, Atticus Nevins returns to town, bringing more danger than the FBI could have imagined.
As Abbie, Crane and Jenny struggle to find normalcy, The Kindred reemerges as a new threat. While the team attempts to figure out why The Kindred has turned to evil, Crane finds that his romantic encounters with Zoe may have caused long-lasting trouble.
When Pandora uses her powers to unleash a new form of evil, Abbie and Crane are forced to face their pasts in unexpected ways.
When Pandora unleashes an iconic monster to haunt the residents of Sleepy Hollow as they sleep, Abbie and Jenny are tempted to confront a painful part of their past. Meanwhile, Abbie makes a crucial decision for her career and Crane does his best to guide her with wisdom from his own experiences. Will Ichabod lead Abbie to the right decision?
Fear is rampant in Sleepy Hollow when Pandora releases an ancient artifact from her box that can transform an ordinary human into a terrifying figure from the past.
In the quest to save Abbie, Crane and Sophie are forced to battle a supernatural force targeting the citizens of Sleepy Hollow, while Pandora and The Hidden One only grow stronger. Meanwhile, in an effort to find out what truly happened to her sister, Jenny faces an old foe: her father. Can our heroes solve their most personal case yet?
More powerful than ever, Pandora unleashes her most evil force yet. Meanwhile, Abbie and Jenny work together when the latest monster targets the children of Sleepy Hollow.
When one of Diana's mentors is targeted by a horrific monster, she decides that the team must channel all of their power toward stopping Dreyfuss. Meanwhile, Dreyfuss and Jobe have a breakthrough on a project of which Team Witness may not yet be aware.
As a monster resembling the fabled New Jersey Devil ravages Sleepy Hollow, Crane must draw on his past to find the connection. Meanwhile, Jenny and Joe stumble as they navigate their new relationship and Abbie continues to struggle with the aftermath of her trauma.
When a monster appears that resembles Molly's childhood imaginary friend, Diana realizes her daughter's life as a Witness will be anything but normal. Meanwhile, Molly gets her chance to see the vault for the first time.
With old enemies gone, Abbie and Crane are apparently moving on with their lives. However, the discovery of a mysterious tablet shows that there may be a new dark prophecy surrounding our Witnesses. The two team together, with the help of an old amulet, and continue their epic takedown of the forces of evil.
When internet sensation Logan Macdonald comes to town, a supernatural infection hits, via a viral video. Meanwhile, Molly has a frightening vision that could predict a bleak future. Can the team cure the curse before it takes over town?
Following Abbie's huge sacrifice, Crane and Jennie find themselves at a loss. In an effort to save Abbie, Crane forms and unlikely partnership and Jenny confronts a former foe.
With Booth and Brennan in tow, Abbie and Crane set out to prove that supernatural forces are at play when a mysterious death plagues the FBI. As Pandora unleashes a force to awaken the dangerous Red Coast General Howe, both teams must find a way to save the town from the British Army of the Undead. Can the power of Booth and Brennan combined with Abbie and Crane be enough to stop Pandora’s evil forces? Crossover episode with Bones Season 11, Episode 5.
On an FBI team-building day, Abbie and Sophie come face to face with a monster that may finally blow their cover with Reynolds. Meanwhile, Jenny and Joe find themselves in possession of something precious and Crane discovers that the symbol from the Catacombs may be more important than he realized.
In the aftermath of Jenny and Joe's run-in with Sophie, Abbie is in deep water with Reynolds. Meanwhile, the Witnesses deal with lasting implications of the shard and find themselves in grave danger as they come face-to-face with a greater evil than they could have imagined.
When a monster fashioned to make its victims live out their most personal and haunting memories hits D.C., the team must find its weakness to save one of their own. Meanwhile, Jenny forms an unlikely bond that could be important in saving the world. Can the group prevail against one of the most insidious monsters yet?
After a big discovery, Crane and Jenny struggle with breaking some difficult news to Diana. Meanwhile, the team learns that there may be witchcraft involved in a new case. Can Crane find a way to tell Diana what he knows?
After a bank robbery turns violent, Abbie and Ichabod embark on a hunt for a mysterious silver coin that has more power than meets the eye. Captain Frank Irving is put in the position where he must choose between his family and the greater good. The Mills' sisterly bond is put to the utmost test.
When one of Crane's greatest foes comes to town to threaten the safety of Washington's highest officials, the team must work quickly to find a solution. Jake's extensive knowledge of the tunnels becomes an important piece of the puzzle as they uncover a secret from the past that could lead to answers.
With a glimpse into the dystopian world that could be if Dreyfuss comes to power, the team learns more about Lara. Knowing what is at stake, can Team Witness put a stop to the billionaire mad man before it's too late?
Ichabod and Abbie face demonic creatures that guard a secret crypt and encounter Thomas Jefferson in their quest to fight evil. Meanwhile, Jenny learns a shocking secret about Frank Irving.
After the mysterious death of an art restorer at the Sleepy Hollow Historical Society Soiree, Ichabod and Katrina are reminded of a dear friend from their past - Abigail Adams. Meanwhile, Abbie is shocked by someone's visit to the police precinct.
A woman from Ichabod Crane's past comes to Sleepy Hollow in the form of an un-dead Weeping Lady, aiming to harm anyone in her path. Katrina and Crane learn unsettling things about each other's pasts. Abbie has some unexpected flirtatious encounters.