Sheriff Jamey Noel sends seven volunteer civilians into jail to serve as undercover inmates.

Sheriff Jamey Noel's program is underway. Zac, a Marine, Tami, a police officer, Robert, a teacher, and Barbra, a stay-at-home mom, are the first participants in. Will they make it through the first 24 hours inside?

Sheriff Jamey Noel adds two more members to his undercover team, Isaiah and Maryum. Undercover inmates try to adjust and fit in, while some question their decisions to be there.

The final participant enters the experiment and Isaiah and Zac fears their covers have been blown; Zac searches for illegal drug use in C-pod; and Tami clashes with another inmate.

Zac is called into court; Barbra abandons a friendship with Tami; and Jeff becomes a target after several mistakes.

Tensions and anger rise among the women in F-pod while one of the men face imminent danger in C-pod.

Undercover program is put as risk when Jeff is attacked.; Zac and Isaiah move to the D-pod wing and Robert returns to general population. Tami's wife makes a surprise visit and Barbara feels betrayed.

Men's D-pod wing drug activity leads to CERT raid, tensions mount as the halfway point approaches and women's F-pod experiences an outbreak of a contagious rash.

Thanksgiving presents new opportunities and challenges for the six remaining participants, and one of them is pushed to a breaking point.

As the participants near the end of their time in jail, tension in F-Pod pushes one woman over the edge and compromises the program, while both men in D-Pod struggle to avoid criminal activity that may have serious consequences.

The five remaining participants try to finish up their final days inside jail as pressure builds within the pods.

Three participants remain and one suffers a meltdown when a woman in F-Pod is released. Elsewhere: D-Pod sees a power struggle with a constant threat of violence.

In the season finale, all seven participants meet to discuss their experience and tensions rise when a contentious moment is addressed.

Six months after the completion of an unprecedented program in Clark County Jail, all seven participants have returned to their lives unalterably changed.

Phase 2 of Sheriff Jamey Noel's experimental program begins as the new participants enter the general population of the Clark County Jail.

As three new participants enter the program, the others for acceptance in the pods. One participant is forced into a confrontation that quickly turns physical.

The last participant enters the Clark County Jail and all eight must now face their new reality of life behind bars.

Hazing, drug use and violence envelop Clark County Jail as two participants are on the brink of dropping out of the program.

All hell breaks loose in the Clark County Jail when two pod bosses threaten the safety of three of our participants.

While trying to survive constant harassment, violence and the stress of incarceration, the participants continue to grind out their time in the Clark County Jail, but two of them are reaching a tipping point and for them everything is about to change.

Sheri, Ryan and Quintin find themselves going deeper undercover as Dion and Ashleigh grapple with their respective pasts. Monalisa has a major revelation about her daughter's situation.

New challenges emerge after the men switch pods and the women suspect a snitch.

Raw sewage flows into inmate pods causing chaos throughout Clark County Jail.

With the sewer line repaired, the participants return to their pods only to encounter new challenges and dangerous threats.

Tension is running high in the pods as the six remaining participants enter their final days in the Clark County Jail.

In the final days of their stay in the Clark County Jail, the three remaining participants gather their last bits of evidence and narrowly avoid conflict before their names are called for bed and baggage.

With Sheriff Noel's program having come to a close, all eight participants are brought together with Sheriff Noel and Captain Maples to talk about their journey as inmates and what they discovered while in Clark County Jail.

A look back at Clark County's memorable moments from Season 1 & 2.

Seven months after the completion of Phase Two of Sheriff Noel's unprecedented program at the Clark County Jail, the eight participants return home with different perspectives as many of them consider new life goals. We follow them home to see how their time in the program affected their lives. The Phase Two participants have all become close friends since the reunion, so they decide to throw Dion and his fiancee Ashlee an engagement party to celebrate their special bond.

In Atlanta's Fulton County Jail, Colonel Mark Adger is sending 17 undercover volunteers into his facility to find solutions to contraband, drug smuggling, and gang violence. The participants who infiltrate Atlanta's Fulton County Jail for this season include a special education teacher who works with at-risk youth, a man who believes that the system has failed African Americans and wants to help fight discrimination, a former corrections officer who wants to see what it is like when the roles are reversed, a woman who met her husband while he was incarcerated and hopes to understand his institutionalized behavior, a Marine with law enforcement aspirations, and others.

The first five participants enter Fulton County Jail and are immediately met with drug use, sexual behavior, and what it feels like to be locked in a cell for 12 hours.

As participants settle into Fulton County Jail and new ones enter, inmate suspicions and power-plays keep everyone on edge.

A violent fight in the women's pod and an abuse of power in pod 600 cause extended lockdowns, proving that the luck of the draw with cell mates can make or break the experience in jail.

Sheri, Ryan and Quintin find themselves going deeper undercover as Dion and Ashleigh grapple with their respective pasts. Monalisa has a major revelation about her daughters situation.

A flood in the South Annex, escalating problems with cellmates, and respect issues push our participants to the brink of despair in the Fulton County Jail.

The male participants in 500 suspect each other of being in the program, while the women struggle to continue, and one may even drop out.

The participants at the Fulton County Jail find that small mistakes can have big consequences, as the Bloods in 500 continue to rise in power.

A chaotic mass evacuation drill in 500 turns dangerous when inmates slip their restraints, and a rumor about the program in the women's pod puts Mauri and Michelle in a vunerable position.

An uproar in Zone 500 results when an inmate claims to be a Marine, Jon is taken advantage of by a new inmate with the same name, and Michelle gets caught in the middle of a drug deal gone wrong.

In the Fulton County Jail, participants Matt and Michelle are faced with tough choices regarding drug use that put their safety, and time in the program, at risk.

The participants endure their final days at the Fulton County Jail, but one has to make the tough decision to stay another 60 days.

The eight participants discuss their experiences at the Fulton County Jail.

With two participants already inside the jail and three more entering, phase two will shatter expectations, open old wounds, and put everyone's safety in jeopardy.

As the participants settle into jail, inmate feuds and power plays bring them face to face with real danger.

In I-Pod, Jaclin begins to alienate the officers, inmates and her fellow participant, Stephanie, who decides to plot against her. Meanwhile, Zone 500 is raided for contraband after Alan's roommate makes a shank, and Matt is at odds with his roommate Lawrencein Zone 600, and fears he may have to fight him.

The participants toe the line between blowing their cover or going full inmate while trying to stay focused on their purpose in the midst of wild parties and difficult cellmates.

Stephanie uses drugs to bond with her fellow inmates; Jaclin's clothing line brings pink flare and positivity to the inmates, but causes problems with the officers.

A gas scare occurs in the women's pod; a football kitty goes missing in 500, prompting a gang fight; a new inmate in 600 tests Matt.

Jaclin receives a target on her back when she attempts to help Stephanie switch rooms; Emmanuel finds trouble when he tries to break up a fight; a rumor about Andrew's sexuality puts him in harm's way.

Two participants struggle with the decision to leave the program early, while the others attempt to keep their wits as they finish the back half of their time in the Fulton County Jail.

Matt wrestles with the most devastating moment of his life; Jaclin regrets leaving the program; Alan gets a mysterious new cellmate; the inmates throw an unforgettable birthday party for Angele.

After an emotional breakdown, one participant is not sure he can continue in the program; Nate expands his meth investigation.

A participant gets removed from the program after intentionally breaking their cover with an inmate; Stephanie fears that Gabrielle will not keep a secret; Alan tries to buy meth.

Col. Adger races the clock to safely remove all the participants from the Fulton County Jail.

After the most shocking finale in the program's history, all nine participants sit down with Journalist Soledad O'Brien and Colonel Mark Adger to discuss their experiences at the Fulton County Jail.

Six months after the completion of phase one of Colonel Mark Adger’s unprecedented program at the Fulton County Jail, the seven participants return to their everyday lives with new perspectives gained from their time behind bars.

Newly elected sheriff Mark Lamb sends six volunteers into the Pinal County Detention Center on a mission to uncover valuable intelligence about the gangs, drugs and operational issues that plague his facility.

With three participants in the jail and two more on their way in, Sheriff Lamb's mission-based program is off to the races.

With all seven participants embedded in the facility, some struggle to maintain their distance from one another; one participant threatens to bring the whole program to an abrupt end.

As the participants begin to focus on their missions, some find early success while others are met with immediate interference; Sheriff Lamb is forced to make a tough decision.

The participants are tested by thieves and the racial politics of jail, forcing them to become either targets and victims, or threats and aggressors.

David climbs the ranks in the pod and struggles to remember what side he is on; Abner is tested when one of his own commits an offense; the women suspect that they are being unfairly targeted by the DOs.

More than halfway through their time in jail, the participants struggle to make progress on their missions; as pod drama boils over, some hit their breaking point.

The participants struggle with race politics, jailhouse thieves, and protecting their cover stories; the secrets become too difficult for one participant to keep.

The sheriff and his team face a tough decision; the consequences of one participant's actions put the remaining participants in very real danger.

When a participant's cover is blown, Sheriff Lamb and his team must decide whether to end the program early or risk the lives of the remaining participants.

For the first time, all seven participants will meet with the Sheriff and his team to discuss the craziest moments from their time in the Pinal County Jail.

When newly-elected Sheriff Jonathan W. Horton takes office and finds his jail in dire need of reform, he enlists the help of seven innocent civilians to go undercover as inmates to uncover intel on the issues that plague the facility in order to clean up the Etowah County Detention Center.

With five participants already embedded in the jail, one of them drops out as others give the distress signal, leaving the Sheriff and his team wondering if completing the 60 Days In program is even possible at this facility.

As the last two participants enter the Etowah County Detention Center, many of the others struggle to remain in the program.

With multiple participants already tapped out and another breaking all the rules, the program at the Etowah County Detention Center is at risk of failure, forcing Sheriff Horton and Chief Peek to take drastic measures.

On Mother's Day, the women in the female pod are blindsided by a returning officer, while a new participant enters the men's pod in an attempt to save the program.

Following the events of Mother's Day, Ashley, Shanese and Jennifer struggle against demons of all kinds, while the men are challenged by new cellmates.

As Alex reaches a turning point, Ashley and Jennifer turn on Shanese while a competition develops between Dennis and another participant.

The remaining participants are left reeling after an inmate is shanked at the Etowah County Detention Center; one more volunteer drops out of the program.

With only four participants left, the remaining men vie for status in the pod; Ashley fears the female inmates know she's a police officer, forcing Sheriff Horton and Chief Peek to make a difficult decision.

Tony and Dennis try to get their hands on drugs, while Jennifer strives to save a troubled inmate. But will they have enough information for Sheriff Horton to fix his broken facility?

Changes are made at the Etowah County Detention Center after the eight participants gather more information than ever before; Sheriff Horton sends five additional participants into the facility for "Phase Two" to see how far the facility has come.

As the last two participants embed in the facility, reality sets in for the special ops team, and Tony gets right back to work.

Heather and Vanessa are left reeling after two violent situations are mishandled by the officers, while Tony and Donovan get to work searching for drugs and contraband.

Tony butts heads with another pod boss, Donovan continues his quest for chew, Vanessa gets a dangerous new cellmate, and Heather’s relationship with Betsy escalates.

While Donovan and Tony push well outside their comfort zone, the women witness things that bring them both to tears.

The Phase One participants reunite to relive their time in the Etowah County Detention Center, air grievances, and find out who really had each other’s back.

The Phase Two participants revisit their time in the Etowah County Detention Center. Tony must answer to both Phase One and Phase Two for some of his more questionable deeds.

Welcome to Henry County, Georgia, where Reginald B. Scandrett is the first African American Sheriff presiding over the Henry County Jail. A new breed of participants enter the program and encounter unprecedented challenges in Sheriff Scandrett's jail.

As new participants enter the Henry County jail, they discover that the conditions in the quarantine pods are far harsher than their previous experiences in jail.

Sheriff Scandrett faces a challenge when the conditions of the quarantine pods take a serious toll on the participants that risk the success of the program. Meanwhile, Rose witnesses a disturbing medical emergency and Darius catches on to a fellow participant.

The final participant enters the program while the others confront new challenges around drugs, COVID, and intense inmates.

The first participants move to general population and begin to form bonds with new inmates, while others hit their breaking point in quarantine; they learn that the men's quarantine pod is active at night.

Arriving at the limits of his patience and sanity, Chase makes a big decision. Carlos makes a run for access and status in the pod by opening up his own store, and takes Nick, a young inmate, as a protégé, and manoeuvres around a serious threat. Darius also finds himself mentoring a young man in serious need of guidance, and later deals with a flood in the pod. Rose navigates her own emotions as she tries to find balance in gen-pop. Trinity grieves the loss of a family member and moves to a new pod.

General population proves to be no walk in the park as the participants deal with shake downs, a flooded pod, unwanted attention, and dirty laundry.

A new inmate enters the men’s pod and begins rustling everyone’s feathers. Darius and Carlos work together to protect the pod and keep the peace. Rose attempts to help a rambunctious inmate who has been rubbing her the wrong way and both women are left scratching their heads as the women’s pod discovers an unfortunate infestation.

Rose grapples with devastating news; Trinity encourages the women to find positive ways to express themselves; Darius coaches the men on how to make money legally on the outside; the return of another inmate causes turmoil within the pod.

Carlos learns why he was removed from the program early; Darius struggles to keep peace in the pod; The serenity within the women's pod is shattered; the three remaining participants meet with the sheriff to debrief him on what they've discovered.

When the participants reunite to discuss the highs and lows of their re-incarceration in the Henry County Jail, explosive arguments erupt within the group.

The participants press Sheriff Scandrett and his team on the difficult conditions they endured during their time in the Henry County Jail, and Shaquille O'Neal makes a surprise appearance. Soledad O'Brien hosts.

The first three participants enter Pitt County Detention Center in North Carolina to begin their 60 days inside the jail.

As two more participants enter Pitt County Detention Center, some may already be wavering on their commitment to make it through quarantine.

Jamil and Steven enter general population, and as a new volunteer enters the Pitt County Detention Center, another participant questions their decision to continue with the program.

Suspicions mount and pressure builds as the participants try to focus on their missions and keep their cover.

Chaos ensues in both the Men's and the Women's pods, leaving Sheriff Dance concerned with the state of the program.

Sheriff Dance meets the two new volunteers before Orion enters the program. Jamil and Drip go head-to-head while constant aggression in the women's pod force. Brittany and Sara to try to find a solution.

The last new participant Kendra embeds while Orion loses his cool with a CO. Accusations of stealing leads to chaos within the women's pod and one participant seemingly gives up on the mission.

The remaining participants encounter obstacles while trying to fulfill their missions as drugs run rampant throughout PCDC, resulting in a full shakedown.

Orion moves to a new pod and is forced to make a tough choice, Jamil faces an old foe, Brittany loses her patience with Candace, a vicious fight breaks out between two inmates which affects Kendra and Brittany, while Sara's new roommate threatens the sobriety of the pod.

As each participant nears the end of the program, Jamil tries a new tactic, Brittany reconciles with her roomie, Orion's old cellmate gets into a brutal fight, and Officers raid one cell, which pleases Kendra, but puts Sara in the crosshairs.

After the remaining participant leaves the program, the Sheriff and her staff process how to implement the feedback as the inmates continue serving their time.

The participants have left the program, cameras remain to document changes being implemented throughout Pitt County Detention Center, and the raid expands to the men's unit which takes the inmates by surprise.

In part one of the season 8 reunion, sparks fly and tempers flare as host Mona Scott-Young grills the original six participants, who reunite with Sheriff Dance and Chief Capehart for the first time since leaving the 60 Days In program.

In part two of the season 8 reunion, Orion and Kendra are revealed to everyone and tensions boil over when Jacob goes head to head with the other participants. Sheriff Dance and Chief Capehart reveal what lies ahead for PCDC.

Sheriff Mike Smith prepares seven volunteers to go inside the Utah County Jail to reveal all the problems that, until now, have been out of sight.

The first three participants enter Utah County Jail to begin their 60 days undercover.

Scarlett, Daniel, and Corey try to find their way in The Utah County Jail. Daniel makes careless mistakes that could put him in danger, while Scarlett is troubled by a bossy trustee. Corey's sexuality becomes a source of conflict but a new cellmate in Gen Pop offers him acceptance. And while newcomer Nina is at risk of not taking jail seriously enough, ex-con Fabian remembers the horrors of jail all too well.

Three more participants enter general population as Corey's dental distress sends him over the edge.

The team struggles to adapt to life inside and as the final participant enters the jail, the pact is already broken.

The desolate reality of jail continues to challenge the team, causing a second participant to give the emergency signal.

As the team continues its time in jail, some participants navigate their new surroundings while another finds it too much to handle.

Conflicts with inmates and growing suspicion spells trouble for the team, and one participant is moved out of the pod.

As a new participant enters the jail, the rest of the team is at their breaking point, which leads to a dangerous discovery.

The Sheriff's team takes unprecedented measures to protect Daniel when his true identity is discovered by the deputies, while Qwell discovers inmates are hiding substances in the greenhouse, and an incident in the women's pod causes Nina and Scarlett to sever their bond as teammates.

With the end of the program drawing near, the participants struggle to tie up loose ends, fend off suspicion, and face real problems in the jail.

After the remaining participants are released, they meet with Sheriff Smith and his team to discuss their time inside the Utah County Jail and find out which team members finished the program.

Now that all the participants have left, they sit down with the Sheriff and his team to reflect on necessary changes they hope will be made at the Utah County Jail.

For nine gripping seasons, "60 Days In" has sent brave participants undercover in some of America's most dangerous jails. We are counting down the top 50 participants to ever get locked up for the "60 Days In" program!