Superheroes: A Never-Ending Battle (8pm, UNC-TV) - Liev Schreiber hosts and narrates this three-hour documentary tracking the story of comic-book superheroes, which started during the Depression and WWII years, when star-spangled heroes were in demand. The 1950s saw the genre come under government scrutiny, however, due to its popularity with kids. Also featured: the flawed superheroes of the 1960s and the socially relevant stories they often found themselves in, and the popularity of superhero movies, which began in earnest in 1978 with "Superman."
The Biggest Loser (8pm, NBC) - Season 15 begins with 15 contestants, including "American Idol" winner Ruben Studdard and 28-year-old clinical researcher Chelsea Arthurs of Raleigh. Arthurs, who grew up in Cary, auditioned for "Biggest Loser" when her weight reached 241 pounds.
New Girl (9pm, Fox) - Nick receives an inheritance from his father and Jess surreptitiously attempts to apply the funds to Nick's unpaid bills. Meanwhile, Schmidt searches for the meaning of life and turns to a rabbi ( Jon Lovitz) for advice.
Trophy Wife (9:30pm, ABC) - Meg moves in with Kate and Pete after a breakup, and Warren helps Bert with a project.
Person of Interest (10pm, CBS) - A number comes up for a well-known New York lawyer who may have been responsible for the death of her husband. Elsewhere, problems arise when Carter's new partner spots her with Reese.