A night at an amusement park takes a deadly turn when a rollercoaster malfunction leaves lives hanging in the balance. Abby is relieved after getting some help taking care of her mother and tentatively reaches out to Buck, who is struggling with the "life or death" nature of the being a firefighter. Meanwhile, Athena and Hen respond to an unusual home invasion and a couples dispute leads to a dramatic rescue for Bobby.

Bobby and his team respond to an emergency at a childrens birthday party that leaves lives hanging in the balance. The crew jumps into action after one of their own is involved in a devastating accident. Athena tries to cope with a tragedy that hits way too close to home and Abby is confronted with a life-changing decision for her mother and makes a connection with Buck.

In the aftermath of a deadly plane crash, Bobby and team race to help the survivors, while Athena deals with panic and chaos at the airport. Bobby confronts his past demons; Athena is out for revenge against a group of teen bullies; and Abby delivers an important message from a 9-1-1 caller.

Maggie and Beth try to do their part to help at the prison as the situation worsens. Hershel works relentlessly to treat the sick and wounded. The group finally returns from their supply run.

After his failed attack on the prison, the Governor wanders the countryside in search of shelter. A new group of survivors takes in a strange man who they dont know is hiding everything about his past.

The Governor continues to practice his pattern of deception with a new group of survivors. Everything comes full circle as he visits a familiar place.

With the recent threat of the flu outbreak finally under control, Rick and the group feel that they might almost be out of the woods. The Governor convinces his new group of followers to make a move on the prison.

M.O.D.O.K brings Melissa and Lou along to a remote GRUMBL leadership conference. After learning that hes not the guest of honor, M.O.D.O.K. enlists Melissas help in manipulating the executives into respecting him. His schemes accidentally lead to him opening up a portal that brings the dangerously hedonistic alien species, the Ciegrimites, to the conference. While the aliens are initially the life of the party, executives begin to drop dead from partying too hard, leading M.O.D.O.K. and Melissa to wipe out the Ciegrimites and save the conference.

Rick and Carl try to move on after losing their home, their friends and their family. Michonne dwells on the past as she faces a future alone, separated from everyone after the downfall of the prison.

Daryl and Beth travel together through the woods in search of shelter and familiar faces. Tyreese tries to protect some of the most vulnerable survivors of the attack. Maggie, Bob, and Sasha disagree on what moves they should make next.

Glenn and Tara are unwilling travellers with a group of strange new survivors. Rick is caught off-guard when strangers descend upon his safe house. Michonne and Carl learn more about each other on a supply run.

Daryl helps Beth fulfil a bucket list wish, and in the process the pair learn much more about one another than they expected.

Maggie, Sasha and Bob continue to argue over the best decision for them as a group and as individuals. Daryl teaches Beth how to track and the pair unintentionally stumbles upon a safe haven.

After getting kicked out of the A-List villains Soho Lair, M.O.D.O.K. decides to slum it at The Bar With No Name. There, he forms a crew of street-level baddies, intent on using them for a heist that will get him back into the Soho Lair. However, after a wild night of bonding and backstory sharing, they form a real camaraderie. Meanwhile, Jodie goes looking for M.O.D.O.K. at AIM and bonds with Monica while Lou meets Monicas daughter, Carmilla. College-aged M.O.D.O.K. has returned from the time stream and kidnaps the Super Adaptoid.

When Reid discovers that his girlfriend has been kidnapped by her stalker, he and the BAU team band together to find her before its too late.

While Reid copes with a loss in his personal life, the rest of the BAU travels to San Francisco to investigate victims discovered in the Mission District.

The first responders race to help a homeless man crushed in a garbage truck, a mother and son in a crashed elevator and extreme hoarders entombed in their house. Meanwhile, Athena jumps into to the dating pool, as Buck and Abbys relationship is tested by her ailing mother.

The first responders take calls to help an unusual domestic disturbance, a "death" at a psychics and a horrific motorcycle crash. Meanwhile, Bobby dips his toe into the dating pool, Abby takes a walk down memory lane, Buck is confronted by his past actions and Athena tries to start her new life.

Special Agent Aubrey and the team investigate the murder of a video game designer. Jessica, the intern, talks about her educational cooperative with which has been involved in. Brennan and Booth talk about Christines future.

The team are called in after the remains of a psychology professor are discovered.

In 1950s Hollywood, Brennan is a detective whilst Booth is a well known jewel thief.

The renovation gets off track.

When prostitutes in Miami are discovered murdered in a similar style to local animals found dead there, the BAU must work fast to find an UnSub whose confidence is quickly escalating.

The BAU travels to Santa Monica when burned bodies of homeless people begin showing up by the famous pier. Also, Rossi reconnects with his former Marine sergeant from Vietnam.

When the daughters of Bruce Morrison, a writer whose wife mysteriously vanished a year ago, go missing on the anniversary of their mothers disappearance, the BAU is brought in to study Morrison as a possible suspect.

The BAU heads to Austin to investigate victims found there with their watches set inaccurately, a clue which may connect the crimes. Meanwhile, the UnSub stalking the BAU inches closer in his pursuit of the team.

On one of the hottest days of the year, the first responders feel the pressure as harrowing incidents keep happening around the city, including a road rage accident involving a van full of tourists, an emergency at an auto-repair shop and a veteran with a live grenade embedded in his leg. Meanwhile, Buck gets a surprise visit from his sister, Maddie (Jennifer Love Hewitt). Also, Athena questions her relationship with Bobby. Then, at the fire station, handsome new hire Eddie (Ryan Guzman) jeopardizes Bucks chances of being chosen for a fireman calendar.

When a massive earthquake rocks Los Angeles, the first responders rush to rescue victims from a crumbling high-rise hotel both under the rubble and high above the ground. Athena must deal with wreckage from a collapsed freeway overpass and Maddie is thrown into the fire as she faces her first crisis as a 911 dispatcher.

Angelas psychic friend is enlisted when the body of a local psychic is found.

The team are called in after a wealthy teacher is discovered dead in an abandoned bookstore.

Harrow recovers from a near-fatal shooting and returns immediately to work, investigating the tragic puzzle of a young mothers psychotic episode while trying to figure out who shot him.

While Reid copes with a loss in his personal life, the rest of the BAU travels to San Francisco to investigate victims discovered in the Mission District.

The BAU heads to Austin to investigate victims found there with their watches set inaccurately, a clue which may connect the crimes. Meanwhile, the UnSub stalking the BAU inches closer in his pursuit of the team.

Harrow recovers from a near-fatal shooting and returns immediately to work, investigating the tragic puzzle of a young mothers psychotic episode while trying to figure out who shot him.

While Reid copes with a loss in his personal life, the rest of the BAU travels to San Francisco to investigate victims discovered in the Mission District.

The BAU heads to Austin to investigate victims found there with their watches set inaccurately, a clue which may connect the crimes. Meanwhile, the UnSub stalking the BAU inches closer in his pursuit of the team.

The crew races to an emergency when disaster strikes at an Indian wedding. Abby enlists the help of Buck to try and find her mother and, for the first time, meets Athena face-to-face. Meanwhile, Bobby has a difficult time confronting his past and Hen struggles to make the right decision.

On Valentines Day, a surprise marriage proposal goes awry with dangerous consequences. Athena attempts to help a desperate woman and unintentionally joins the Lonely Hearts Club. Bobby and Chimney pull holiday duty and learn about the "Casanova Fracture" and Abby and Buck go on their first official date.

Daryl and Beth travel together through the woods in search of shelter and familiar faces. Tyreese tries to protect some of the most vulnerable survivors of the attack. Maggie, Bob, and Sasha disagree on what moves they should make next.

Glenn and Tara are unwilling travellers with a group of strange new survivors. Rick is caught off-guard when strangers descend upon his safe house. Michonne and Carl learn more about each other on a supply run.

Daryl helps Beth fulfil a bucket list wish, and in the process the pair learn much more about one another than they expected.

Maggie, Sasha and Bob continue to argue over the best decision for them as a group and as individuals. Daryl teaches Beth how to track and the pair unintentionally stumbles upon a safe haven.

Carol, Tyreese and the children find a safe place where they can try to live a more normal life. Long kept secrets come to light and questions are answered, but the answers come with a price.

Glenn and Maggie each continue to head towards Terminus, and each other. Daryl struggles to get along with a new group of survivors that are less than friendly to him.

As multiple paths collide, Rick comes face to face with sheer brutality. Will he and the group have what it takes to survive?

Rick and the group are still trapped in the train car, awaiting their grim fate at the hands of the inhabitants of the Terminus.

On the road again, Rick and the group encounter a priest and take shelter in his church. One of the survivors gets captured by Gareth and his crew of cannibals.

When the daughters of Bruce Morrison, a writer whose wife mysteriously vanished a year ago, go missing on the anniversary of their mothers disappearance, the BAU is brought in to study Morrison as a possible suspect.

The BAU heads to Austin to investigate victims found there with their watches set inaccurately, a clue which may connect the crimes. Meanwhile, the UnSub stalking the BAU inches closer in his pursuit of the team.

On one of the hottest days of the year, the first responders feel the pressure as harrowing incidents keep happening around the city, including a road rage accident involving a van full of tourists, an emergency at an auto-repair shop and a veteran with a live grenade embedded in his leg. Meanwhile, Buck gets a surprise visit from his sister, Maddie (Jennifer Love Hewitt). Also, Athena questions her relationship with Bobby. Then, at the fire station, handsome new hire Eddie (Ryan Guzman) jeopardizes Bucks chances of being chosen for a fireman calendar.

When a massive earthquake rocks Los Angeles, the first responders rush to rescue victims from a crumbling high-rise hotel both under the rubble and high above the ground. Athena must deal with wreckage from a collapsed freeway overpass and Maddie is thrown into the fire as she faces her first crisis as a 911 dispatcher.

The case of a maids death turns out to be a bigger case than originally thought. Tensions are rising between Cam and Brennan.

Angelas psychic friend is enlisted when the body of a local psychic is found.

The team are called in after a wealthy teacher is discovered dead in an abandoned bookstore.

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 BAU team goes in pursuit of a missing school bus full of children outside the Washington, D.C. area, and it becomes a race against time for them to bring them home safely.

When a recent attendee at a popular motivational speakers conference in Seattle is murdered, the BAU looks at the speaker as the main suspect, but they have to refocus their investigation when the speaker himself goes missing.

When victims are found in Philadelphia in a similar style to victims of The Replicator, the stalker who has been tracking the BAUs every move, the team thinks this could be the break they need to try and apprehend him.

The BAU investigates victims who were documenting their personal lives and inner desires on blog posts and social media.

The first responders continue to deal with the fallout of a massive earthquake and its deadly aftershocks; Bobby and the team continue to rescue victims from a collapsing high-rise hotel.

The first responders race to rescue victims trapped in various tight spots. Meanwhile, Athena contemplates accepting a promotion that will take her out of the field, and Maddie decides to make a move of her own. Then, Buck wonders if he should move on, and Chimney finally deals with the aftermath of his near fatal car crash. Also, Eddie turns to the crew for help with his young son.

The team take a look at a local bakery after the body of an ex-con is discovered in pieces.

When the remains of a private high school student are discovered in a ditch, Brennan and Booth surmise that bullying was a factor. When Brennan discovers similarities between her own teen years and the victims, it leads the team to question whether or not the girls death was, in fact, a murder

When a powerful member of the Iranian parliament kidnaps Arastoo to have him aid in a murder case, Booth and Cam head to Iran, and the rest of the Jeffersonian team must race against the clock to help expose the killer. Meanwhile, Brennan learns the truth about Booths growing gambling habit, and she turns to Aubrey for help to keep her and Christine safe from her husbands menacing bookie.

The team are called in after a crossword puzzle master is discovered in an urban fracking site.

The team are called in after the remains of a psychology professor are discovered.

When a powerful member of the Iranian parliament kidnaps Arastoo to have him aid in a murder case, Booth and Cam head to Iran, and the rest of the Jeffersonian team must race against the clock to help expose the killer. Meanwhile, Brennan learns the truth about Booths growing gambling habit, and she turns to Aubrey for help to keep her and Christine safe from her husbands menacing bookie.

In 1950s Hollywood, Brennan is a detective whilst Booth is a well known jewel thief.