Sagan reflects on the future of humanity and the question of 'who speaks for Earth?' when meeting extraterrestrials. He discusses the very different meetings of the Tlingit people and explorer Jean-François de La Perouse with the destruction of the Aztecs by Spanish conquistadors, the looming threat of nuclear warfare, and the threats shown by destruction of the Library of Alexandria and the murder of Hypatia. The episode ends with an overview of the beginning of the universe, the evolution of life, and the accomplishments of humanity and makes a plea to mankind to cherish life and continue its journey in the cosmos. The Cosmos Update notes the preliminary reconnaissance of planets with spacecraft, the fall of the Berlin Wall and the end of apartheid in South Africa, and measures towards the reduction of nuclear weapons.

he concert not only includes performances of tracks from 'Delta Machine' but also some of their most memorable and biggest hits including 'Personal Jesus' and 'Enjoy the Silence.' Live in Berlin includes the full live show, inter-spliced with behind-the-scenes footage, multiple interviews with the band and their fans.

Depeche Mode was touring in support of their lauded 13th studio album, 'Delta Machine,' which debuted at #1 in 12 countries worldwide in March 2013.

Freeman's quest to understand what makes a rebellion successful brings him face-to-face with exiles, whistle blowers, hackers and movement leaders. From Berlin to Bolivia to the United States, he'll see the courage, dedication, hard work and hope that it takes to try to change the world.