THE LONELIEST WHALE is a cinematic quest to find the “52 Hertz Whale,” which scientists believe has spent its entire life in solitude calling out at a frequency that is different from any other whale. As the film embarks on this engrossing journey, audiences will explore what this whale’s lonely plight can teach us — not just about our changing relationship to the oceans, but to each other. Executive Produced with Leonardo DiCaprio and Adrian Grenier.

Donald Trump’s daughter Ivanka has been appointed to an official role within the White House, but what does she believe in and how much political clout does she actually have?

A documentary based on Cheech and Chong’s “Light Up America” reunion tour.

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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.

An analysis of the effect of economic sanctions on Iraq.

Every era gets the drug it deserves. In America today, where competition is ceaseless from school to the workforce and everyone wants a performance edge, Adderall and other prescription stimulants are the defining drugs of this generation.

A cultural portrait of the American dream at a critical time in the nation’s history. Set against the 2016 American election, The King takes a musical road trip across the country in Elvis Presley’s 1963 Rolls Royce.

Julie Walters tells the story of how Morph, Shaun the Sheep and that cheese-loving man Wallace and his dog Gromit first came to life.

Football player Amaree McKenstry-Hall and his Maryland School for the Deaf teammates attempt to defend their winning streak while coming to terms with the tragic loss of a close friend.

Since the late 1970s, Bill Gates and Steve Jobs wrote the future of computers with a battle between the Mac and the PC on the main stage. Their rivalry was so spectacular that it almost embodies the entire digital revolution. Both men dropped out of college and changed the world with their ideas, and even though they were adversaries, they always retained a high level of respect for each other.

Richard Hambleton was a founder of the street art movement before succumbing to drugs and homelessness. Rediscovered 20 years later, he gets a second chance. But will he take it?