The Untold Story of Mary Poppins: A Special Edition of 20/20

When the immigrants came to America, their cultures entered the "great melting pot." In Michigan's Upper Peninsula Finnish immigrants mixed their musical traditions with many other cultures, creating a sound that was unique to the "Copper Country."

Atmospherically shot in black and white North Circular Road travels the length of the eponymous road exploring the history, music and streetscapes of this legendary artery that links some of Dublin's most beloved and infamous places. From the Phoenix Park to Dublin Port, this documentary evokes many narratives from the history of the nation to the urgent issues of today including the battle to save the legendary Cobblestone Pub.

A documentary about the album Waking the Fallen.

The story of how the life-saving cervical cancer test became an ordinary part of women’s lives is as unusual and remarkable as the coalition of people who ultimately made it possible: a Greek immigrant, Dr. George Papanicolau; his intrepid wife, Mary; Japanese-born artist Hashime Murayama; Dr. Helen Dickens, an African American OBGYN in Philadelphia; and an entirely new class of female scientists known as cyto-screeners. But the test was just the beginning. Once the test proved effective, the campaign to make pap smears available to millions of women required nothing short of a total national mobilization. The Cancer Detectives tells the untold story of the first-ever war on cancer and the people who fought tirelessly to save women from what was once the number one cancer killer of women.

After Porn Ends 2 picks up where its predecessor left off and not only turns back the clock to meet the oldest living stars in adult film's history, but goes in depth with some of Its most current retirees and juxtaposes their experiences in a life after porn. Delving deeper into society's ongoing stigmas of race, misogyny, and the reality of decreasing opportunities for these former VHS box cover stars. For some, their careers in adult entertainment is accepted proudly and without regret. In fact, it seems to have proven to be the pathway to their current happiness and inner peace. For others, however, a career in porn has proven to be a conduit to certain despair as they struggle to find a way to bury their past and emerge with a new career or calling.

The Shitthropocene is a journey from the cellular-level origins of our lack of impulse control to the ways our central nervous systems have been hacked in the name of capitalism. It’s also about how we might begin to save ourselves from ourselves. Plus, there are dancing cave people.

'THE QUEST: Nepal' is an epic journey to deeper understand and climb the most iconic mountain on earth, Everest, and to unveil the fascinating culture, history and nature of Nepal. From experiencing Mt. Everest like never before to witnessing remarkable rarely seen stories from one of the most unique countries in the world, 'THE QUEST: Nepal' is truly a one-of-a-kind cinematic journey like no other, and one which embodies the incredible human spirit of adventure that lives inside us all!

Kevin Frazier hosts a celebration of the "NCIS" franchise, including exclusive interviews with cast members and guest stars; new details about the origins of "NCIS"; a behind-the-scenes look at the making of the franchise's 1,000th episode.

Documentary relating Ingmar Bergman's life, from his high school graduation up until he became an established filmmaker in the latter half of the 40's.

Chile, 1984. As a wave of UFO sightings — and a military dictatorship — sweep the country, a group of short-wave radio operators receive mysterious communications from a nearby island. Through the crackling voices, they learn that a highly developed extraterrestrial race has taken residence on Friendship Island and is offering the listeners the promise of a better world.

The untold true story: The rise and fall of the greatest funk band ever, Parliament Funkadelic.