In "Jane Elliott Against the World," a rural Iowa schoolteacher becomes a national voice against racism after leading a controversial 1968 lesson in discrimination with her all-white third-grade class. Now nearly 90, she refuses to hold back amid today’s fights about race, history and power after a lifetime of speaking out.

Documentarian Amir Bar-Lev takes us behind the scenes of "The Last First: Winter K2," the race to grab the last great prize in mountaineering, K2 in winter, which left five dead. It exposed deep fault lines in alpinism today: pressures from commercialization, toxic effects of social media and long-brewing tensions between those who’ve been marginalized and those who’ve always basked in the sport’s glory.

Filmmaker David Greaves reflects on completing one of his father’s most ambitious and personal projects — more than a decade after his death. William Greaves believed the most important event he ever filmed was a single evening in 1972, when he gathered living luminaries of the Harlem Renaissance for an intimate party at Duke Ellington’s home and let the cameras roll. David Greaves served as a cameraman that night. Along with producer Liani Greaves, they discuss revisiting the footage and the making of the film "Once Upon A Time In Harlem."

Director Rory Kennedy's "Queen of Chess" chronicles a Hungarian girl's dreams of conquering international men’s chess. After a 15-year battle against world champion Garry Kasparov, Judit Polgár revolutionizes the sport’s patriarchal culture to become one of the greatest chess prodigies in history and the greatest woman chess player of all time.

Bob Berney of Picturehouse Films, Richard Lorber of Kino Lorber Media Group and John Sloss of Cinetic Media reflect on the years of Sundance in Park City and look ahead to its future in Boulder, CO. They also take a look at the current state of independent cinema, how streaming services play a role and engaging younger audiences.

Director Sam Green's decade-long global odyssey chronicles the ever-changing record holders of the title of oldest person alive. In "The Oldest Person in the World," what begins as a portrait of longevity becomes a poignant meditation on the passage of time, the randomness of fate and the joy and profound human experience of being alive.

Directors Adam Khalil and Zack Khalil discuss "Aanikoobijigan" [ancestor/great-grandparent/great-grandchild], which documents the emotional and vital work of MACPRA (Michigan Anishinaabek Cultural Preservation and Repatriation Alliance). This alliance, made up of repatriation specialists representing all Michigan tribes, fights to bring their ancestors and funerary objects home from settler colonial institutions like museums, libraries and archives.

In "Seized," director Sharon Liese captures how the small town of Marion, Kansas is thrust into the international spotlight after a police raid on the Marion County Record and the death of its 98-year-old co-owner. Afterwards a fierce debate ignites about the abuse of power, journalistic ethics, local journalism and the United States Constitution.

Director Abby Ellis discusses the film "The Lake," which follows three individuals fighting to save a dying lake. They see what’s coming — poisoned air, a collapsing ecosystem, a community on the brink — and they throw themselves into the everyday, often mundane work of trying to stop it. As they push against bureaucracy, apathy and the ticking clock of a crisis decades in the making, something eerie and heartbreaking lingers at the edges: the dust rising in the background, a reminder of what will be lost if they fail.

Filmmakers Janay Boulos and Abd Alkader Habak discuss their film "Birds of War," which tells the love story of a London-based Lebanese journalist and a Syrian activist and cameraman through 13 years of personal archives across revolutions, war and exile.