Prime choices

SUNDAY

Monica Parales, Jacque Nimble and Mandy Rain (below, from left) are plaid-skirted “School Gyrls” who meet in detention and go on to form a pop-music trio in this tune-filled made-for-cable fable, featuring an appearance by teen heartthrob Justin Bieber. (Nickelodeon, 7 p.m.)

MONDAY

The 2007 disappearance of aviator Steve Fossett near the California-Nevada line made national news. But dozens of similar cases have gone largely unreported. The new special “Lost in the Nevada Triangle” investigates. The truth is out there. (National Geographic, 5 and

8 p.m.)

TUESDAY

The season premiere of the newsmagazine “Frontline” sends a video journalist “Behind Taliban Lines” for a rare ground-level look at the resurgent Afghan insurgency. A second segment explores Pakistan’s troubled public school system. (KCET, 9 p.m.)

WEDNESDAY

On “Faces of America With Henry Louis Gates Jr.,” the professor traces Oscar winner Meryl Streep’s genealogy to Puritan-era New England and follows the family line of Eva Longoria Parker (above) back to 17th century Spain. (KCET,

8 p.m.)

THURSDAY

The ladies’ figure skating final is always one of the marquee events at the “XXI Winter Olympics.” We’ll keep our fingers crossed for 2010 U.S. champion Rachael Flatt (above) and/or her teammates to be on the medals platform in Vancouver. (NBC, 8 p.m.)

FRIDAY

Counting Crows (above), Sugarland and Seal are among the artists who “come together” to mark the 40th anniversary of the Beatles’ “Abbey Road” at the selfsame London recording studio on the third-season premiere of “Live From Abbey Road.” (Sundance, 8 p.m.)

SATURDAY

2009’s “Fast & Furious” -- the fourth film in the action franchise -- finally reunites Vin Diesel and Paul Walker from the series’ 2001 debut. But the real attraction remains those illegal yet sleek street machines, tearing up the asphalt all around L.A. (HBO, 8 p.m.)