Twenty years ago, a young American hiker named Chris McCandless, the accomplished son of successful middle class parents, was found dead in an abandoned bus in the Alaskan wilderness and became the subject of the best-selling book and movie “Into the Wild.” Now, PBS retraces Chris McCandless’ steps to try to piece together why he severed all ties with his past, burnt or gave away all his money, changed his name and headed into the Denali Wilderness. McCandless’ own letters, released for the first time, as well as new and surprising interviews, probe the mystery that still lies at the heart of a story that has become part of the American literary canon and compels so many to this day.

Character actor Tom Lenk (Buffy the Vampire Slayer, Joss Whedon’s Much Ado About Nothing) has long dreamed of performing in the Edinburgh Fringe Festival, the world’s largest theater arts festival. Nerdgasm follows Tom’s journey through all things nerdy as he prepares to fulfill his aspirations and struggles with his inner demons along the way.

Rick Gutierrez expounds on parenting, whether it’s risking his life on an amusement park ride or the hazards of taking his kids to the restroom.

“Between Musk and Mars” provides an intimate look at the holdouts who refuse to leave the isolated village and the tactics SpaceX has been using to get them out of their homes. But as the star-gazing magnate moves forward with his vision for a Martian colony, some of the locals won’t cede their slice of Planet Earth without a fight.

From Notre Dame to the NFL, Manti Teandapos;oandapos;s future in football showed promise until a secret online relationship sent his life and career spiraling.

Griffin Dunne’s years-in-the-making documentary portrait of his aunt Joan Didion moves with the spirit of her uncannily lucid writing: the film simultaneously expands and zeroes in, covering a vast stretch of turbulent cultural history with elegance and candor.

On a quest for emotional healing and spiritual awakening, a naturopathic doctor and an accountant join others in the Peruvian Amazon to drink a psychedelic brew called ayahuasca.

A debate rages over the credibility of the Bible. Most archaeologists today have concluded that there’s no evidence that the Exodus of Israelite slaves from Egypt ever happened. Filmmaker Timothy Mahoney faces a crisis of faith: “Is this foundation event of the Bible really just a myth?” He embarks on a 12-year journey around the world to search for answers. Patterns of Evidence: The Exodus unlocks the mystery of this ancient saga, combining a scientific investigation with a retelling of the Exodus story to reveal an amazing pattern of evidence matching the biblical account that may challenge our understanding of history. It features stunning animations, narration by Kevin Sorbo (God’s not dead, Hercules: The Legendary Journey), interviews with leading archaeologists such as Israel Finkelstein, Kent Weeks, and David Rohl, and guest appearances by Israel’s Benjamin Netanyahu and Shimon Peres.

Part road-movie and part intimate portrait of lives in transit, IT WILL BE CHAOS unfolds between Italy and the Balkan corridor, intercutting two unforgettable refugees stories of human strength and resilience.

Is Genesis History? is a fascinating new look at the biblical, historical, and scientific evidence for Creation and the Flood. Learn from more than a dozen scientists and scholars as they explore the world around us in light of Genesis. Dr. Del Tackett, creator of “The Truth Project,” hikes through canyons, climbs up mountains, and dives below the sea in an exploration of two competing views… one compelling truth.

David Attenborough and scientist Johan Rockström examine Earth’s biodiversity collapse and how this crisis can still be averted.

After a surfer dies off Morro Bay, Calif., on Christmas Eve, shark attack investigators Ralph Collier and Brandon McMillan use forensic evidence and eyewitness accounts to identify the suspected killer: an 18-foot great white.