The city anxiously anticipates the arrival of Heather Taffet, known as 'The Gravedigger', for her final appeal after being sentenced to death for a kidnap-murder and a series of similar crimes. When she is shot by a sniper, the Jeffersonian team investigates.

A body disguised as a scarecrow is found with a bullet wound in a remote cornfield, and the team is forced to work against the clock to avoid a storm and potential complications that would affect the evidence.

The epic series finale sees the survivors attempt to turn the tables on their aggressors once and for all. Mokrani and Catherine prepare for the fight of their lives. Emily seeks answers, at any cost. And Sacha’s visions continue, giving a confounding glimpse of the future…

London, four months after the attack. The survivors organize the Resistance. Bill continues his research on aliens and understands that their DNA is human but that their organs are degenerating. In France, a severely wounded dissident alien reaches the Observatory

Athena and the 118 race to the rescue when a fading movie star is plagued by a series of near death experiences.

The 118 race to the rescue to a renaissance faire; then an office bldg. when an overbearing boss is poisoned; Athena fears for May’s life when she encounters a disturbed young man; Uncle Buck babysits young Jee-Yun as Maddie and Chimney begin house-hunting; Eddie and Carla prepare Christopher for his first school dance.

When Homeland Security inexplicably seals the crime scene of a car bombing, Castle and Beckett find themselves with two mysteries on their hands.

Last season ended with Beckett wrestling over whether to take a high-profile job in DC - a dilemma made more complicated when Castle proposed to her. Now Castle and Beckett will deal with the consequences of their decisions.

Continuing from the season premiere episode, Beckett races against time to find a stolen toxin capable of killing tens of thousands of people. To make matters worse, Castle was exposed, leaving him with less than 24 hours to live.

The BAU investigates when several young men and women are victims of disfiguring acid attacks. Also, Dr. Reid begins to settle into his new surroundings.

The BAU believes two unsubs may be operating at the same time, when victims killed in two drastically different ways are discovered in the same city. Also, the team grapples with keeping Reid safe in prison.

The BAU is called after three victims are found tied to stakes in the Arizona desert.

Castle and Beckett investigate the bizarre murder of a young woman who was found ritually posed. When the team finds a collection of strange symbols in her apartment, Castle becomes convinced they’ve stumbled onto a 'Da Vinci Code' style conspiracy.

Castle and Beckett work the murder case of a famed relationship therapist. At first it appears that client secrets may have been the motivating factor, but then a rare valuable object is discovered in the victim's possession.

Booth and Brennan's next case leads them to a crime scene where a human carcass has literally melted into the dashboard of a charred truck.

The body of a brilliant and career-driven surgeon is found in a rough neighborhood with multiple fractures in her skull and no indication as to how or why she was there.

A mother steps forward with valuable information for the BAU to aid in their investigation of an unsub known as the bone crusher. Also, Reid must adapt to a new set of rules in prison life.

The BAU investigates an urban vampire in New York who kidnaps his victims at night and holds them underground in the sewer system. Also, Reid makes an impossible decision in prison that severely affects himself and other inmates.

When several federal government employees, including a close friend of Walker's, succumb to symptoms of a heart attack, the BAU investigates. Also, Reid anxiously awaits his trial date.

Harrow is reminded why he hates camping on a hiking trip with Fairley and Nichols, but things turn strange when the trio find themselves conducting an impromptu murder investigation and a life-or-death battle.

As Harrow's attempts to reconnect with his son are frustrated, Fern and James grow closer - while the baffling deaths of two teens sharpen Harrow's concern for his own children.

Booth and Brennan's next case leads them to a crime scene where a human carcass has literally melted into the dashboard of a charred truck.

The body of a brilliant and career-driven surgeon is found in a rough neighborhood with multiple fractures in her skull and no indication as to how or why she was there.

Will disappears after an attack, prompting the team to search, while he's trapped and trying to escape, complicating his complex relationship with Angie.

When Colter finds a lost dog at a gas station in Denver and the dog is subsequently stolen from his truck, Colter makes it his mission to track him down and reunite him with his family.

Continuing from the season premiere episode, Beckett races against time to find a stolen toxin capable of killing tens of thousands of people. To make matters worse, Castle was exposed, leaving him with less than 24 hours to live.

A desperate young murder suspect, Emma Briggs, takes hostages at gunpoint then mysteriously insists that she will only negotiate with one person: Richard Castle.

While pressure mounts on Harrow to stop defending his son James, two baffling deaths demand all his wit and courage to solve - before another life is lost.