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Kristin Scott Thomas uncovers the story of how her grandfather William saved thousands at Dunkirk while serving as a commanding officer in the Royal Navy throughout World War II on My Grandparents' War Kristin Scott Thomas at 7 p.m. Sunday.

U.S. President Roosevelt extends a special invitation to Martha and her children, while bombs fall on Olav and the king in London on Masterpiece: Atlantic Crossing Crossing the Atlantic at 8 p.m. and 11 p.m. Sunday & 9:45 p.m. Saturday.

Tom fights for his life on board the HMS Exeter; Harry and Lois have a more personal battle to fight on World on Fire on Masterpiece at 9 p.m. Sunday & 10:45 p.m. Saturday.

The myths and secrets that led Marie Antoinette to the guillotine on Lucy Worsley's Royal Myths & Secrets Marie Antoinette, The Doomed Queen at 10 p.m. Sunday.

The life of author L. Frank Baum, creator of the classic novel The Wonderful Wizard of Oz, which has inspired films, books and musicals on American Experience American OZ at 8 p.m. Monday.

This award-winning documentary chronicles the life of a farmer in crisis: after a decade of raising pigs, he can no longer bear the ultimate act of betrayal. Set against the stunning backdrop of Upstate New York, this is a document of his final year on the farm. Deeply immersive, the film is a poetic snapshot, a contemplation on compassion, ethics and the changing landscape of animal agriculture. In intimate detail, it captures the farmer’s personal upheaval as he questions his own morality and the value of life. Through the story’s simple intimacy, the farmer’s moral quandary quietly becomes our own on The Last Pig at 10 p.m. Monday.

Journalists Gretchen Carlson and Don Lemon overcome biases in their careers, drawing parallels to relatives who also met challenges on Finding Your Roots With Henry Louis Gates, Jr. Anchored to the Past at 7 p.m. Tuesday.

Philadelphia District Attorney Larry Krasner's team uncovers a secret hidden by police and battles to obtain police misconduct files while tensions rise over juvenile sentencing on Philly D.A. at 8 p.m. Tuesday.

Academy Award-winning screenwriter Akiva Goldsman discusses A Beautiful Mind, A Time to Kill, Star Trek, Titans and the role of personal experience and self-exploration in developing characters on On Story at 10 p.m. Tuesday.

Writer and director Brenda Chapman talks about what influenced her writing in the animated classics The Lion King, The Prince of Egypt and Brave on On Story at 10:30 p.m. Tuesday.

Nearly 40 shark species live in the warm waters of Hawaii's volcanic islands, including white tip reef sharks, Galapagos sharks and tiger sharks on Nature Sharks of Hawaii at 7 p.m. Wednesday.

Marine biologists from the Bahamas to Christmas Island to Australia fight against the clock to save the coral reefs from extinction on NOVA Reef Rescue at 8 p.m. Wednesday.

The highs and lows of America's health care system; how four other nations provide health care affordably, despite a worldwide pandemic on PBS NewsHour Presents Critical Care: America vs. The World at 9 p.m. Wednesday.

Pop singer-songwriter Billie Eilish performs songs from When We Fall Asleep, Where Do We Go? as well as her hits on Austin City Limits at 10 p.m. Wednesday & Friday.

Greta Thunberg witnesses impacts of climate change, including melting glaciers and dying trees in Canada and fire devastation in California; a U.N. conference in Madrid on Greta Thunberg: A Year to Change the World at 7 p.m. and 11 p.m. Thursday.

Greta Thunberg travels from the World Economic Forum in Switzerland to Poland, where she speaks with miners who have lost their jobs; a visit with David Attenborough in the U.K. on Greta Thunberg: A Year to Change the World at 8 p.m. Thursday.

Greta Thunberg investigates potential solutions to limit climate change in Switzerland and Denmark; lessons from the world's response to COVID-19 on Greta Thunberg: A Year to Change the World at 9 p.m. Thursday.

This local documentary, narrated by Austin novelist Sarah Bird, explores Austin's earliest efforts to preserve Barton Springs and Barton Creek, and ultimately to create a city with publicly-accessible green spaces along Austin's waterways on Origins of a Green Identity at 10 p.m. Thursday.

The story of conservation and sustainability in the Florida Keys for the past 100 years; dedicated conservationists inspire residents and visitors to join the movement of "voluntourism" on Florida Keys: Protecting Paradise at 7:30 p.m. Friday.

Simon Godwin directs a film interpretation of Shakespeare's Romeo and Juliet set in modern-day Italy on Great Performances Romeo and Juliet at 8 p.m. Friday.

Grammy Award-winning singer-songwriter H.E.R. performs on Austin City Limits at 7 p.m. Saturday.

The West End becomes a place for the wealthy elite; the poor deal with cruel living conditions on the east side; impact of the railways; cholera epidemic devastates the city; engineer Joseph Bazalgette saves London with his new sewerage system on London: 2,000 Years of History at 8 p.m. Saturday.

Eliza goes beyond her instructions after she is hired for an undercover job to spy on a group of suffragettes on Masterpiece: Miss Scarlet and The Duke Deeds Not Words at 8:45 p.m. Saturday.

After the capture of her friends, Lili joins another group of resistance fighters on Resistance at 11:45 p.m. Saturday.