Highlights: October 28-November 3

Nature at 6 pm Sunday explores the world of the snowy owl and takes an intimate look at how these majestic birds survive in one of the most isolated and inhospitable places on the planet in “Magic of the Snowy Owl”.

Call The Midwife at 7 pm Sunday and 9 pm Saturday finds Jenny for once not involved in the beginning of life, but at its end.

On Masterpiece Classic Presents: Upstairs Downstairs, Series 2 at 8 pm Sunday, Harry’s desire to impress Beryl leads him and Johnny into the world of boxing while Lady Agnes is reacquainted with someone who shows her an exciting world away from 165 Eaton Place.

Independent Lens at 9 pm Monday presents “Love Free or Die”. The documentary tells the story of faith, love, marriage, homosexuality and the Episcopal Church colliding in the first openly gay Bishop Gene Robinson of New Hampshire.

Ellen Degeneres: The Mark Twain Prize at 7 pm Tuesday celebrates the work of Ellen DeGeneres, the 15th recipient of The Kennedy Center Mark Twain Prize for American Humor.

Frontline at 8 pm Tuesday travels to the remote epicenter of the campaign finance debate for a tale of money, politics, and intrigue in “Big Sky, Big Money”.

POV at 9:30 pm Tuesday presents “Nostalgia for the Light”, a meditation on memory, history and eternity from Chile’s remote Atacama Desert.

On Nature at 7 pm Wednesday, scientists from around the world share their thoughts and work to help explore the scientific theory that in an effort to outwit raccoons, we are actually making them smarter and unwittingly contributing to their evolutionary success.

NOVA at 8 pm Wednesday joins a new generation of archeologists as they probe areas of Machu Picchu that haven’t been touched since the time of the Incas and unearth burials of the people who built the sacred site in “Ghosts of Machu Picchu”.

NOVA ScienceNOW at 9 pm Wednesday follows New York Times tech reporter David Pogue as he uncovers the secrets behind our favorite foods in “Can I Eat That?”

David Maraniss, Pulitzer Prize winning author and journalist, talks about his newest book on Overheard with Evan Smith at 7 pm Thursday.

Arts In Context at 7:30 pm Thursday explores the personal history and unique art of Dia de los Muertos through the stories of San Antonio artists who capture this rich cultural heritage.

The Daytripper at 8 pm Thursday follows Chet as he travels to Denton, TX to race the Texas Motor Speedway, explore the city’s historic square and independent music culture, and eat a “Hell” Burger that is appropriately named.

Jim Thorpe: World’s Greatest Athlete at 9 pm Thursday chronicles the sports superstar’s remarkable life from his boyhood in Oklahoma and his gold-medal wins at the 1912 Summer Olympics to his subsequent fall from grace and later, his advocacy of American Indian rights and self-sufficiency.

Election 2012: What’s At Stake at 9 pm Friday presents a collaboration between “Need to Know,” “PBS NewsHour,” “Frontline” and “Washington Week” to focus on the most important issues at stake in the 2012 election.

Diversify your tree canopy and bring on the wildlife with understory trees that flower and fruit on Central Texas Gardener at noon Saturday. On tour, no-lawn gardeners create enduring family memories in a wildlife habitat.

Austin City Limits at 7 pm Saturday presents a new breed of American musical stylings with the Civil Wars and Punch Brothers.