Friday’s TV highlights

SERIES

Law & Order: UK: Brooks and Devlin’s (Bradley Walsh, Jamie Bamber) investigation into the murder of a prison officer soon uncovers evidence that he was not as honorable as his colleagues insist. Wunmi Mosaku guest stars in this new episode, along with regulars Harriet Walter and Ben Daniels (6 and 9 p.m. BBC America).

Who Do You Think You Are? Country music superstar Tim McGraw is determined to learn more about his paternal family tree in this new episode (8 p.m. NBC).

20/20: Jay Sadler narrates the new episode “Wrong Turn: The Kati Kim Story,” which tells the story of a harrowing Thanksgiving 2006 ordeal where the Kim family of San Francisco faced starvation and subzero temperatures while trapped in their car for nine days (9 p.m. ABC).

The Ricky Gervais Show: Karl claims to have witnessed a bee having a heart attack in this new episode of this animated comedy (9 p.m. HBO).

SPECIALS

Be My Valentine, Charlie Brown: Poor Charlie Brown wants to be remembered on Valentine’s Day — what he’d really like is a greeting from the Little Red-Haired Girl, but he’ll settle for a card from anyone at all in this holiday classic (8 p.m. ABC).

MOVIES

The Graduate: Mike Nichols received a richly deserved Oscar for his direction of this 1967 comedy about a recent college grad (Dustin Hoffman) who is seduced by the predatory Mrs. Robinson (Anne Bancroft), then falls in love with her daughter (Katharine Ross) (5 p.m. TCM).

The Wild and Wonderful Whites of West Virginia: Filmmaker Julien Nitzberg’s gripping 2010 film documents a year in the life of a West Virginia family (9:30 p.m. Showtime).

SPORTS

Basketball: The Clippers visit the Cleveland Cavaliers (4:30 p.m. FS Prime); the Lakers visit the New York Knicks (5 p.m. KCAL).

Hockey: The Ducks visit the Calgary Flames (6 p.m. FSN).