Highlights: May 20-26

Finding Your Roots at 7 pm Sunday crisscrosses Mexico, Spain, the Caribbean and the Southwest to reveal stories of ancestral Conquistadors and Indian rebels.

Sherlock faces Moriarty’s diabolical plot to “get Sherlock,” which begins innocently enough when the criminal mastermind breaks into the Crown Jewels on Masterpiece Mystery! Sherlock, Series II at 8 pm Sunday and 8 pm Saturday.

“The World, the War, and Texas” at 9 pm Monday tells the story of World War II through the eyes of Texans. Accounts from a variety of veterans and civilians (including a Holocaust survivor) are interwoven with a deep historical perspective of the global conflict, illustrating the war’s dramatic impact on life in Central Texas.

Nature at 7 pm Wednesday investigates the parallel stories of collapsing Pacific salmon populations and how biologists and engineers engage in audacious experiments to shore up their numbers.

Nova at 8 pm Wednesday joins an exclusive dive beneath the waters of Pearl Harbor to trace new clues to the historic sinking of the USS Arizona in “Killer Subs In Pearl Harbor.”

Nova at 9 pm Wednesday combines forensic detective work with an in-depth look at why the Sabre and the MiG acquired their reputations as legendary fighting machines during the Russian and American clash over Korea in “Missing in MiG Alley”.

Rising roots rock kings the Avett Brothers and Ohio-to-Austin transplants Heartless Bastards take over the Austin City Limits stage at 10 pm Wednesday and 10 pm Friday.

Jill Abramson, executive editor of The New York Times, talks about the state of journalism today on Overheard with Evan Smith at 7 pm Thursday.

Arts In Context at 7:30 pm Thursday documents the University of Texas Visual Arts Center’s Artist-in-Residence Diana Al-Hadid’s collaboration with students, faculty and staff to construct her large-scale sculptural installation “Suspended After Image.”

Independent Lens at 9 pm Thursday presents “Left By The Ship,” a documentary that explores the lives of the many children born to U.S. servicemen who were stationed in military bases in the Philippines until 1992.

Recorded at Boston’s House of Blues, “Goat Rodeo Live”  at 9 pm Friday captures the artistry of four string virtuosos: renowned cellist Yo-Yo Ma, bluegrass fiddler Stuart Duncan, bassist Edgar Meyer and mandolin wizard Chris Thile.

Meet some waterwise plants for sustainable gardens with Lauren and Scott Ogden on Central Texas Gardener at noon Saturday. On tour, visit a makeover where native plants and wildlife replaced lawn.

At 6 pm Saturday, the annual National Geographic Bee returns for the 24th consecutive year and will feature fourth- to eighth-graders vying for the national championship.

Contemporary folk rock takes the stage with Mumford & Sons and Flogging Molly on Austin City Limits at 7 pm