Christopher Guest's new HBO comedy series follows a down-on-his-luck guy looking into his family genealogy. Guest, who pioneered the mockumentary style in cult classics like This Is Spinal Tap, co-created the show with Jim Piddock and star Chris O'Dowd.

A new six-episode drama for the Sundance Channel follows a man who, after 19 years in prison, is exonerated by DNA evidence and returns to his family. Critic David Bianculli says it's a unique show, and a memorable one.

A documentary airing tonight on PBS tells the story of the five young black and Latino men wrongly convicted of the 1989 assault and rape of a white female jogger in Manhattan's Central Park. Ken Burns made the film with his eldest daughter, Sarah Burns, and David McMahon.

It used to be that TV's biggest annual event was the arrival of the fall season, but these days excellent shows premiere year-round. This spring, the return of AMC's stylish drama is the best reason to celebrate the season: The two-hour premiere delivers on the show's highest ambitions.

David Mamet, the writer and director of the new HBO movie Phil Spector starring Al Pacino and Helen Mirren, includes a disclaimer at the beginning of the film: While the movie might be based on the controversial music producer, "This is a work of fiction. It's not 'based on a true story.' "

Jane Campion directs a new Sundance Channel miniseries, Top of the Lake, about a young New Zealand detective played by Mad Men's Elisabeth Moss. Meanwhile, producers from Lost and Friday Night Lights team up to create a prequel to Alfred Hitchcock's Psycho, called Bates Motel.

On Sunday, the PBS anthology series Masterpiece Classic begins its third season of Downton Abbey, the British period drama that has taken England — and America — by storm.

Monday night on PBS, American Masters presents a two-hour biography of Johnny Carson. Carson retired 20 years ago this month, and vacated a throne that TV critic David Bianculli says no one has managed to claim since.

Woody Allen is the subject of a new two-part, four-hour special on the PBS series American Masters. TV critic David Bianculli says the documentary is "a smart, sometimes serious study of a smart, sometimes serious filmmaker."