Efter att elitsoldaten Ichabod Crane avlider 1790 under ett uppdrag, vaknar han plötsligt upp igen i Sleepy Hollow och året är 2014. Han inser snart att han är mänsklighetens enda hopp. Återupplivad tillsammans med vår hjälte är nämligen den huvudlöse ryttaren, som nu är på framfart i staden. Den skoningslöse motståndaren visar sig vara en av fyra ryttare som Ichabod måste krossa. Han tvingas samarbeta med en hårdbarkad polis, Abbie Mills, för att rädda Sleepy Hollow - och resen av världen.

Ichabod Crane och Abbie Mills anpassar sig fortfarande till 2000-talet, medan de försöker bena ut de gäckande mysterierna i Sleepy Hollow. En skrämmande uppenbarelse av Ichabods före detta fru Katrina för den osannolika duon ut på jakt efter en hämndlysten häxa från 1700-talet, som väckts av okända onda krafter och orsakar förödelse i den pittoreska staden. Samtidigt är Andy Brooks mot alla odds tillbaka, i färd med ett tvivelaktigt uppdrag.

The Sandman, en annan medlem ur den onda armén, plågar invånarna i Sleepy Hollow genom att smyga sig in i deras drömmar och göra dem till marionetter.

Jenny Mills rymmer från institutionen och Ichabod och Abbie måste hitta henne innan fienden gör det. Medan de letar lär de sig mer om den skräckinjagande demonen.

Ichabod och Abbie blir inkallade för att utreda ett fall som rör en oidentifierad pojke i staden. När de efterforskar får de reda på någonting överraskande.

Ichabod försvinner spårlöst och Katrina kontaktar Abbie genom sina drömmar. Nu måste hon varna henne om att den huvudlöse ryttaren är på väg tillbaka.

Den huvudlöse ryttaren är ute efter sitt kranium och Ichabod och Abbie måste stoppa honom. Samtidigt får Abbie oväntat besök av Andy Brooks.

Jenny kommer tillbaka till Sleepy Hollow för att hjälpa Ichabod, Abbie och Captain Irving att kämpa mot den huvudlöse ryttaren. Men så visar det sig att hans motiv inte är vad de har trott.

Ett gammalt hus från Ichabods tid verkar vara nyckeln till en försvunnen person - och en hemlighet från Ichabod förflutna.

Ichabod försöker att kommunicera med Katrina i skärselden, medan Henry Parrish visar en ny och ondskefull sida.

Abbie och Ichabod kämpar desperat för att rädda Abbies syster, Jenny, som är besatt av en ond demon.

Kaptain Irving står inför det ultimata lojalitetstestet, medan Ichabod och Abbie hittar ett hemligt stycke i Washingtons bibel. Nu avslöjas sanningen om den förste presidentens död.

Spänningen stiger i säsongsavslutningen när den goda och den onda världen kolliderar mitt i Sleepy Hollow.

Henry sets out to find the Gehenna Key, which will allow his master Moloch to escape from Purgatory with an army of the damned. Meanwhile, Ichabod tries to free himself from his buried tomb, and Jenny must escape the Hessians holding her on Henry's behalf.

Ichabod and Abbie concoct a daring plan to try to rescue Ichabod's wife from the Headless Horseman by resurrecting a Frankenstein-like monster created by Benjamin Franklin. Frank faces new trouble after revealing the true details of his encounter with a demon. Jenny finds herself at odds with the new sheriff in town.

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.

Abbie and Crane's search for a missing Sleepy Hollow child reveals a creature akin to the Pied Piper, whose legacy with the child's family extends back to a centuries-old curse.

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.

Sheriff Corbin's son returns from war, but his strange behavior leads Abbie and Ichabod to question his intentions.

Abbie and Ichabod learn that Katrina is in imminent danger and race against the clock to help her.

Crane and Abbie set out to take down a succubus whom Henry has sent out to drain the life forces out of its victims.

A series of mysterious deaths at Tarrytown Psych leads Abbie and Ichabod to discover that an especially surprising spirit is involved.

Ichabod and Abbie set out to find the Sword of Methuselah, the only weapon capable of killing Moloch and ending the coming apocalypse.

Unforeseen sacrifices must be made and loyalties are put to the ultimate test in the fight against evil.

Reeling from the events of their standoff with Moloch, Ichabod and Abbie encounter an angel, Orion, that they believe can help them. Meanwhile, Katrina searches for the humanity in Abraham.

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.

With the help of Ichabod, Abbie and Jenny, Nick Hawley faces off against his evil childhood caretaker, and Captain Frank Irving adjusts to his new... life(?)

After escaping Purgatory, a warlock who triggered the Salem witch trials returns to find a dangerous book of spells. Meanwhile, Abbie attempts to trust Frank Irving again, while Henry struggles to find his identity.

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.

Ichabod and Abbie fight against those who want to re-awaken a powerful witch coven and Jenny learns a disturbing truth about Frank Irving.

The town of Sleepy Hollow and its inhabitants are permanently changed; a relationship is destroyed beyond repair.

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 Pandora uses her powers to unleash a new form of evil, Abbie and Crane are forced to face their pasts in unexpected ways.

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.

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.

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?

The crossover starts on Bones S11E05 The Resurrection in the Remains (I).

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?

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.

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.

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.

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?

The Kindred, the Frankenstein-esque creature Abby & Crane used against the Headless Horseman, returns and wreaks bloody havoc on Sleepy Hollow.

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.

Ichabod discovers that the creature that inspired the stories of the Jersey Devil. Meanwhile, Joe and Jenny reach a possible hurdle in their relationship.

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.

After a supernatural event takes the Witnesses by surprise, both Crane and Abbie are forced to work alongside their most hated foes yet. Meanwhile, Jenny and Joe struggle to salvage their relationship, as they continue to battle their own internal demons.

As The Hidden One grows stronger, Crane must examine his past with Betsy Ross to find the key to stopping him. Meanwhile, Jenny wonders if she can ever have a relationship with her father, and Abbie faces a hard decision as things with Reynolds become more strained.

With a single day left before The Hidden One regains omniscience, Abbie and Crane must do the unthinkable in a last-ditch effort to save the world. Meanwhile, Jenny, Joe and Sophie devise a plan to stall as the Witnesses work.

After a startling discovery, Abbie and Crane realize what they must do in order to make Pandora’s box complete again. Meanwhile, the team works tirelessly to stop The Hidden One, before he destroys all of humanity. Can the Witnesses succeed with the fate of the world in their hands once again.

Crane and Jenny begin to navigate life following the unexpected death of Abbie Mills. When he finds himself in a the nation’s capital, Crane must forge unlikely partnerships in his quest to find the next Witness, as he discovers that there is more evil at play than he realized was possible.

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? .

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.

A monster fashioned to make its victims live out their most haunting memories strikes D.C.

As Dreyfuss gets closer to making progress on his mission, important parts of his past come to light. His former partner returns to settle the score from years before and it becomes evident that Dreyfuss' involvement in the supernatural is not something new. Don't miss learning how Malcolm Dreyfuss came to be.

When the team realizes that the talisman which Dreyfuss seeks might be hidden in the most obvious of places, they race against the clock to find it before the evil forces are aligned. Then, with heightened emotions and bittersweet memories, Jenny and Crane revisit important parts of their past as they return to Sleepy Hollow.

Just before Molly's 11th birthday, her father returns from duty. As Diana begins to wonder if her ex might be ready to be a part of his daughter's life full-time, the team has a shocking realization.

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?

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.

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.

When a mysterious woman finds her way into the vault, the team struggles to understand who she is and with whom her allegiances lie. Meanwhile, Alex must come to terms with her complicated feelings when she finds herself in a tight spot. Can Team Witness handle what might be revealed?

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?

Dreyfuss finally garners enough power to infiltrate the White House, and his group of minions grow strong enough to take action. Can Team Witness stop Dreyfuss in time?