Manhattan (9pm, WGN) - WGN debuts its second original series tonight. “Manhattan” tells the story behind the Manhattan Project, America’s mission to build the world’s first atomic bomb in Los Alamos, N.M., in the 1940s. It’s created by Sam Shaw (“Masters of Sex”), directed by Thomas Schlamme (“West Wing”) and stars John Benjamin Hickey (“The Big C”), so the pedigree is there. The 13-episode period drama begins at 9pm tonight but moves to 10pm in subsequent weeks.
Also on . . .
NC Bookwatch (Noon, UNC-TV) - Alena Graedon, author of “The Word Exchange,” chats with host D.G. Martin.
The Hunt with John Walsh (9pm, CNN) - The hunt for William Bradford Jr., who allegedly murdered his wife, his mother and his three young sons with a sledgehammer in 1976, is chronicled. Bradford is said to have committed the murders in Bethesda, Maryland, and then buried the bodies in the woods of North Carolina, near the Tennessee border. Bradford, who has possibly been spotted in Sweden, Switzerland and Italy, was recently added to the FBI’s Most Wanted List. (Also, the oft-preempted “ Death Row Stories” episode featuring Fort Bragg’s Timothy Hennis is scheduled to air at 10.)
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Masterpiece: Poirot (9pm, UNC-TV) - “Poirot” returns with a case in which the master sleuth navigates the world of international espionage while investigating the death of a Russian chess grandmaster.
Ice Lake Rebels (10pm, Animal Planet) - The premiere of a new reality series about the residents of an autonomous community on Great Slave Lake in Canada’s Northwest Territories.
Falling Skies (10pm, TNT) - Tom reunites with this family and the 2nd Mass, but the run-on celebration is cut short when Lexi falls victim to a health crisis. Before long, her illness stirs up tension within the ranks as family members clash over how best to treat her.
The Strain (10pm, FX) - Eph and Nora fight to save Captain Redfern’s life, while Setrakian sets out to stop the spread of the disease.