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
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.
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'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.
A police program that monitors suspicious behavior is introduced and Vega tries to get Akeela's help in landing Dash a position as the program's analyst. Meanwhile, Vega and Dash suspect Arthur is up to something.moreless
When the team investigates the death of a jeweler, a previously unknown member of the Isles family is discovered which casts a light on a secret Maura has been hiding much of her life.moreless
A search for an elusive serial killer leads the TAU to a shocking revelation. Also two team members return to work.
Brennan starts to realize that a man she put on death row may be innocent after looking over the evidence again. Now the team has exactly 48 hours to catch the real culprit before it's too late.moreless
Castle and Beckett need to uncover a gunman's agenda after he takes hostages, including Esposito, on the subway.
Callen and Sam's new murder suspect is a retired assassin they came across on their first case together. As the two head to Mexico to find him, Deeks and Nate help out the investigation in Los Angeles.moreless
While Wade gets advice from Jessica on winning Marion back, Stuart gets to know some construction workers.
The squad is pulled into a city-wide investigation of sniper attacks against police when a lead links Fin to the case. Lt. Eames adds her expertise as they scramble to identify the suspect from Fin's time in Narcotics.moreless
With Nikita trapped and drugged, Amanda subjects Nikita with her horrific mental conditioning process, sharing terrible memories of her own childhood with Nikita. Through the conditioning process, Nikita uncovers Amanda’s deepest, darkest secret. With Alex's role as the leader of the mutiny now out in the open, she struggles to save everyone at Division as the violence escalates. With Michael locked up at the hands of Division members, Birkhoff and Sean work to save the women they love. Meanwhile, Owen's recent discovery of his lost memories drive him to take startling actions during Division’s lockdown.moreless
Alex admits to Birkhoff her hope of leaving Division, and Amanda starts to provide Owen with the troubling memories of his real past. Despite Nikita's efforts to help, Owen begins to confront the events of his past in the military.moreless
Nikita and Michael hear about a new prosthetic hand that could allow Michael to return to his former self, but obtaining the hand will come at a steep price. Meanwhile, Alex and Sean work to track down the agents inside Division are beind a mutiny, which ends in bloodshed.moreless