Highlights January 16-22

Take a peek into the intertwined worlds of the largest and most powerful falcon in the world and the rare Arctic wolves as Nature at 7 p.m. explores the race for the two remarkable species to raise their families in the midst of their fragile ecosystem on Canada’s remote Ellesmere Island.

Masterpiece Classic at 8 p.m. Sunday presents part two of Oscar-winning writer Julian Fellowes‘ “Downton Abbey”, a depiction of the lives of the noble Crawley family and the staff who serve them, set at their Edwardian country house in 1912.

Dinosaur Wars: American Experience at 8 p.m. Monday uncovers the contentious rivalry between paleontologists Othniel Charles Marsh and Edward Drinker Cope as they attempt to outdo each other and uncover the remains of dozens of prehistoric animals in the 1868 American Western frontier.

Through eyewitness testimony, Road to Memphis: American Experience at 9 p.m. Monday tells the wildly disparate yet fatefully entwined stories of an assassin, James Earl Ray, and his target, Dr. Martin Luther King, Jr., against the backdrop of the seething and turbulent forces in American society that led these two men to their violent and tragic collision in Memphis, Tennessee, on April 4, 1968.

Children of the Revolution at 10:30 p.m. Monday presents the story of how UTSA President Dr. Ricardo Romo’s life journey began with a marathon run from the cotton fields to the halls of Academia.

Pioneers of Television at 7 p.m. Tuesday presents “Science Fiction,” an exploration of how narrators such as Gene Roddenberry and Rod Serling created the storylines and characters behind the best-loved futuristic television of their time.

Pulitzer Prize-winning Washington Post reporter Dana Priest investigates the terrorism-industrial complex that grew up in the wake of 9/11 on Frontline at 8 p.m. Tuesday.

Independent Lens at 9 p.m. Tuesday presents “Between The Folds,” a film that follows a determined group of theoretical scientists and fine artists who have abandoned careers and scoffed at graduate degrees to forge new lives as modern-day paper folders.

Nova ScienceNow at 7 p.m. Wednesday explores the probability and dangers affiliated with the possibility of humans traveling to Mars.

Go behind the scenes and explore how materials changed history and are shaping the future as New York Times’ technology correspondent and best-selling author David Pogue brings his trademark goofball humor and techie zeal to this exploration of the future of “stuff” on Nova: Making Stuff Stronger at 8 p.m. Wednesday.

Stanford University neurobiologist Robert Sapolsky and National Geographic search for answers to why stress seems to be killing us on Killer Stress: A National Geographic Special at 9 p.m. Wednesday.

Austin welcomes the cream of underground rock with The National and Band of Horses on Austin City Limits at 10 p.m. Wednesday and 9 p.m. Friday.

Douglas Brinkley, historian and author, talks about his latest book The Quiet World: Saving Alaska’s Wilderness Kingdom, which hit the shelves on January 18 on Overheard with Evan Smith at 7 p.m. Thursday and 8:30 p.m. Friday.

Filmed at the historic Pearl stable, San Antonio Mayor Julian Castro addresses the importance of long-term planning and conservation to secure Texas’ future water supply on Water: Securing Our Future at 7:30 p.m. Thursday.

Join Chet Garner as he travels to Lockhart, Texas to conquer all four of the local Que joints in the BBQ capitol of Texas on The Daytripper at 8:30 p.m. Thursday.

Legends and Lyrics presents exclusive performance from Regie Hamm, Mindy Smith, Leigh Nash — three singer-songwriters representing the alternative rock music genre at 9 p.m. Thursday.

Austin City Limits presents the evolution of electric guitar music with avant-garde rockers Sonic Youth and classic blues rockers the Black Keys at 7 p.m. Saturday.