Family dramas have always been one of television's most difficult genres to do properly, without getting too sweet, too overwrought, or too predictable — but NBC's Parenthood finds the right balance. Above, Ray Romano as Hank, Mae Whitman as Amber, and Lauren Graham as Sarah. Colleen Hayes/NBC hide caption

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Jimmy Fallon took over as host of The Tonight Show on Monday. "I hope I do well," he told the audience. "I hope that you enjoy this." Theo Wargo/Getty Images for The Tonight Show Starring Jimmy Fallon hide caption

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Eleven-year-old Jaron "Bear" Williams practices trumpet before marching in his first Mardi Gras season. The Whole Gritty City follows young student marching bands as they prepare for coveted spots in the New Orleans parade. Courtesy of CBS hide caption

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IFC's The Spoils Of Babylon follows a sister (Kristin Wiig) and adopted brother (Tobey Maguire) caught up in a passionate romance. Katrina Marcinowski/IFC hide caption

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Michelle Dockery's Lady Mary is in deep mourning as Downton Abbey returns for a fourth season on PBS. Nick Briggs/Carnival Film & Television Limited hide caption

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Kevin Spacey (left) and Robin Wright star in House of Cards, directed by David Fincher. The Netflix series, which follows a Machiavellian politician, is an adaptation of a BBC series of the same name. Hear an interview with Spacey and Fincher. Patrick Harbron/Netflix hide caption

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A new MDV Entertainment boxed set called Here's Edie: The Edie Adams Television Collection features the widow of Ernie Kovacs, in shows from her 1962-64 ABC variety series, which was televised just after her husband's death. AP hide caption

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The life and work of composer and lyricist Stephen Sondheim is examined in Six by Sondheim, a documentary from James Lapine, who also directed several of Sondheim's shows. Jerry Jackson/HBO hide caption

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During JFK's funeral, live TV coverage helped make John-John Kennedy's salute an indelible image of American history. Keystone/Getty Images hide caption

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