Valery Legasov, Boris Shcherbina and Ulana Khomyuk risk their lives and reputations to expose the truth about Chernobyl.

Valery Legasov and Soviet Deputy Prime Minister Boris Shcherbina consider using lunar rovers to remove radioactive debris; Ulana Khomyuk faces government hurdles in determining the truth about the cause of the explosion.

Lyudmilla Ignatenko, a Pripyat resident, ignores warnings about her firefighter husband's contamination; Valery Legasov lays out a decontamination plan, complete with human risks.

With untold millions at risk, nuclear physicist Ulana Khomyuk makes a desperate attempt to reach Valery Legasov, a leading Soviet nuclear physicist, and warn him about the threat of a second explosion that could devastate the continent.

Plant workers and firefighters put their lives on the line to control a catastrophic April 1986 explosion at a Soviet nuclear power plant.

The life of Catherine the Great toward the end of her reign during her affair with Grigory Potemkin; amid scandal, intrigue and immense conflict, they develop a unique and devoted relationship, overcoming their adversaries.

Based on the accounts of Marines in World War II, this 10-part miniseries follows the intertwined journeys of three U.S. Marines in the Pacific Theater -- Pfcs. Robert Leckie and Eugene B. Sledge and Sgt. John Basilone -- from their first battle against Japan on Guadalcanal, across the sands of Iwo Jima and the horror of Okinawa, to their ultimately triumphant return after V-J Day. The producing team behind "The Pacific," including Tom Hanks and Steven Spielberg, also was behind HBO's award-winning miniseries "Band of Brothers."

This series, originally broadcast on HBO, tells the story of Easy Company, 506th Regiment of the 101st Airborne Division, U.S. Army. Based on interviews with survivors of Easy Company, as well as soldiers' journals and letters, this 10-part series chronicles the experiences of these young men who knew extraordinary bravery and extraordinary fear. Based on the book written by Stephen Ambrose.

Oscar-winner Frances McDormand ("Fargo") and Oscar-nominee Richard Jenkins ("The Visitor") star in the four-part drama "Olive Kitteridge," adapted from Elizabeth Strout's Pulitzer Prize-winning novel, which spans 25 years. Outspoken middle school teacher Olive has a complex relationship with husband Henry, a good-hearted, selfless pharmacist. She is very critical, and he finds her harsh and hurtful, yet each has traits the other adores, but their son, Christopher, resents her behavior and hates his dad being a victim. The program depicts life in a coastal town and the affects of mental illness.

Based on the BBC series "Criminal Justice," HBO's eight-part production "The Night Of" stars John Turturro ("O Brother, Where Art Thou?") and Riz Ahmed ("Nightcrawler") in a story about a complex New York City murder case with cultural and political overtones. A night that begins innocently for Pakistani-American college student Nasir "Naz" Khan turns horrific after he meets a mysterious young woman. In custody and awaiting his formal arraignment, Naz realizes that his survival -- or perhaps his demise -- rests not with his attorney, John Stone, but with a particular inmate at Rikers Island.

Adapted from David McCullough's Pulitzer Prize-winning biography, this lavish seven-part miniseries chronicles the life of Founding Father John Adams, starting with the Boston Massacre of 1770 through his years as an ambassador in Europe, then his terms as vice president and president of the United States, up to his death on July 4, 1826.

Following the fortunes and the rise and fall of five aristocratic families in the waning days of imperial Russia.