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.