A Florida private investigator school recruits Cierra Westerman to spy on critics of the Church of Scientology; Cierra details how investigators dug through trash, installed tracking devices on cars, and infiltrated the lives of the church's critics.

Leah and Mike explore the new symbiosis between the Nation of Islam and Scientology.

After Leah remarked on the absence of church leader David Miscavige’s wife, Shelly, the question set off a chain of events that ultimately led to her leaving Scientology. More than a decade later, Shelly still has not been seen in public.

The church purchases large buildings to use as upgraded church locations, celebrated as Ideal Orgs; the church claims that the new buildings signal the rapid expansion of Scientology, but former members and critics say otherwise.

In a remote corner of Riverside County, Calif., lies Scientology's International Base, a compound that houses the church's most dedicated members. In this episode, Leah Remini and Mike Rinder, a former occupant of International Base ("Gold Base"), speak with four other former high-ranking residents who reveal their shocking stories behind the locked gates.

In 1974, operating under an alias, the Church of Scientology moves into Clearwater, Fla., and proceeds to make the city its spiritual headquarters; in 1977, an FBI raid uncovers the church's secret plans to take over the city.

Leah and Mike travel to Clearwater, Florida, spiritual headquarters for the Church of Scientology. Speaking with some of the city’s most prominent Scientology critics, they explore how the controversial 1995 death of Scientologist Lisa McPherson marked a turning point in the Church’s history.

Leah and Mike speak with Jay Wexler, an expert in constitutional law, to discuss the remarkable story of Scientology’s journey to tax-exempt status. Mike and Leah also talk with Lt. Yulanda Williams, a police officer, about law enforcement’s community engagement strategies.

Filmed for the first time in front of a live studio audience, Leah Remini and Mike Rinder explore stories of how Church of Scientology policies have hindered members from reporting instances of abuse and sexual assault to the authorities.