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

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

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.

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

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.

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.

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.