Actor and comedian Zach Galifianakis continues his investigation into the political landscape of his home state of North Carolina and how it's emblematic of the country's deepening political divide during the 2016 campaign.

Actress America Ferrera, whose parents and siblings are immigrants from Honduras, heads to Texas, the state with the longest border and home to 1.65 million undocumented immigrants. There she witnesses the difficulties facing Central American refugees living in the Rio Grande Valley where US Border Patrol checkpoints keep undocumented people hemmed-in and the American dream out of reach.

Comedian Zach Galifianakis travels to his home state of North Carolina to explore how its been transformed by political spending into a bellwether for how the money of an elite few has come to dominate our democracy. While there, Galifianakis investigates allegations that the current government's policies benefit only its wealthy backers and the impact this has on the general public.

Golden Globe and Peabody Award-winning actress and producer Amy Poehler ventures into the world of the invisible women who help keep the California economy afloat: domestic workers. Poehler discovers that the economic issues transcend classes, affecting both employers and employees, in a situation where everyone works harder than they used to and are underpaid for their efforts.

Gretchen Carlson, who recently made her own personal story public, will take viewers to the halls of Congress to uncover a pervasive culture of sexual harassment held in place for decades by a deeply flawed system.

Native American actor Martin Sensmeier travels to San Juan County, Utah, to investigate the controversy over the Bears Ears National Monument. While there, he uncovers the decades of struggle for equality by the county’s Native citizens.

In part one, Diane Guerrero travels to Houston, Texas to witness the growing conflict over sanctuary cities and discovers the hidden victims of this anti-immigrant era. In part two, Nick Offerman travels to the coal country of eastern Kentucky to investigate the collapse of the coal industry and meets voices calling for a different future.

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Oscar®-winning hip-hop artist Common returns to his hometown of Chicago to explore disparities in the criminal justice system; actress Rosario Dawson travels to Flint, Michigan, to uncover the man-made disaster behind the city’s water crisis; and legendary TV producer Norman Lear investigates gentrification in New York City, revealing a city of people with no homes and homes with no people.

Legendary TV producer Norman Lear continues his investigation into the gentrification of New York City and goes undercover to expose racial discrimination in housing; actress Rosario Dawson reveals new information on the Flint water crisis; and "Grey's Anatomy" star and former teacher Jesse Williams travels to Pinellas County, Florida, to investigate the roots of one of the most unequal school systems in the country.

Rosario Dawson travels to Flint, Michigan to investigate the city's Water Crisis and how a government could allow its citizens to be poisoned. Her investigation leads to questions about specific policies and how they led not only to the Flint crisis, but to others in largely African American communities around the state.

“Grey’s Anatomy” star Jesse Williams continues his investigation into the Pinellas County School system and the fight to dismantle the school to prison pipeline; actor Peter Sarsgaard explores the addiction crisis ravaging an Ohio town; and Emmy®– and Golden Globe®-winning actress America Ferrera travels to Texas to report on the lives of the undocumented living in the Rio Grande Valley.