The murder of a high school mean girl draws Castle back to one of his many alma maters, where he is giddy to learn that the evidence points to a surprising perpetrator - a teenage telekinetic, throwing he and Beckett into a real-life 'Carrie'.

When two members of a conspiracy group in Roswell, New Mexico perish in quick succession, the BAU is called to investigate.

The 118 race to the rescues with emergencies at a spin class; in a hair salon and to a husband and wife in a compromising position; Buck discovers new cognitive abilities post lightning strike; Hen and Karen are concerned when they find out Denny has been seeing his biological father behind their backs; Maddie and Chimney enlist Athena and Bobby’s help with a suspicious neighbor.

Bill joins the military group formed by Ethan, Dominic and Michael. The three men hold a young alien hostage, Isla. Catherine, Sophia and Nathan continue to search for Bill. Adina, and the aliens also set out to find Bill. Chloe accuses the blow when she realizes that Sacha killed Ash. She suggests to her increasingly unstable son to run away with her.

The murder of a young video store clerk takes a strange turn when the team discovers his past history as a high-level hacker. But it's nothing compared to the shock Castle receives when their investigation leads them straight to his father.

The BAU searches for an unsub in Austin, Texas who is targeting prominent members of the community.

When a rising young pop star is found dead in an alley, Castle and Beckett delve into the victim’s out-of-control hard-partying lifestyle, but as they dig deeper, a shocking revelation threatens to rock their investigation.

R.J. struggles with a difficult decision; Emi must contend with her family's secrets.

Ryan Murphy, Brad Falchuk and Tim Minear reimagine the procedural drama with "9-1-1." The series explores the high-pressure experiences of first responders -- including police officers, firefighters and dispatchers -- who are thrust into the most frightening, shocking and heart-stopping situations. These emergency responders must try to balance saving those who are at their most vulnerable with solving the problems in their own lives. The show draws from real-life, high-pressure experiences of first responders who regularly face heart-stopping situations that are often unpredictable, intense and uplifting at the same time.

The liquefied remains of a wedding planner are found in her home tanning bed on Valentine's Day, and Cam pressures her team to solve the case in time so she can celebrate the holiday with her boyfriend.

When Garcia experiences anxiety over a case that's personal to her from her past, Morgan visits to lend emotional support.

The BAU searches for an unsub in Austin, Texas who is targeting prominent members of the community.

Harrow rides the storm when a deathly ill boy at QIFM needs his help at the very moment Mila Zoric summons him to negotiate his kidnapped son's release. But there's one lightning bolt shock he did not see coming.

R.J. struggles with a difficult decision; Emi must contend with her family's secrets.

The 118 race to the rescues with emergencies at a spin class; in a hair salon and to a husband and wife in a compromising position; Buck discovers new cognitive abilities post lightning strike; Hen and Karen are concerned when they find out Denny has been seeing his biological father behind their backs; Maddie and Chimney enlist Athena and Bobby’s help with a suspicious neighbor.

When the assistant to Modern Fashion Magazine's dictatorial editor Matilda King is found murdered, Castle and Beckett are thrust into the glitzy, ruthless world of high fashion in their search for the killer.

After notoriously murdering 'The Gravedigger', sniper-on-the-loose Jacob Broadsky strikes again. This time, his victim is a prior suspect who escaped the justice system.

The murder of a high school mean girl draws Castle back to one of his many alma maters, where he is giddy to learn that the evidence points to a surprising perpetrator - a teenage telekinetic, throwing he and Beckett into a real-life 'Carrie'.

When an UnSub in Miami sensationalizes his crimes by giving the local media exclusive footage, the BAU is called in to investigate.

When two members of a conspiracy group in Roswell, New Mexico perish in quick succession, the BAU is called to investigate.

When a murder investigation reveals there's more to the story than meets the eye, Special Agent Will Trent relies on his keen instincts and unique experience to uncover the truth.

When a model is murdered, Will and Faith dive into a twisted art-world conspiracy, aided by Ava, his former flame; Betty's instincts turn a routine neighborhood check for Ormewood, Angie and Nico into a critical lead on a dangerous case.

R.J. struggles with a difficult decision; Emi must contend with her family's secrets.

When the assistant to Modern Fashion Magazine's dictatorial editor Matilda King is found murdered, Castle and Beckett are thrust into the glitzy, ruthless world of high fashion in their search for the killer.

When a murder investigation reveals there's more to the story than meets the eye, Special Agent Will Trent relies on his keen instincts and unique experience to uncover the truth.

A severe blizzard causes a city-wide blackout, adding to the obstacles the team must overcome in order to solve a murder case that could be linked to a potential viral outbreak.

When a series of backyard pool homicides are reported in California, the BAU team team searches for an UnSub with a puzzling past.

Ryan Murphy, Brad Falchuk and Tim Minear reimagine the procedural drama with "9-1-1." The series explores the high-pressure experiences of first responders -- including police officers, firefighters and dispatchers -- who are thrust into the most frightening, shocking and heart-stopping situations. These emergency responders must try to balance saving those who are at their most vulnerable with solving the problems in their own lives. The show draws from real-life, high-pressure experiences of first responders who regularly face heart-stopping situations that are often unpredictable, intense and uplifting at the same time.