The last two minutes of Cosmos' eleventh episode are perhaps the most inspiring in the entire series—or at least the most uplifting. The sequence gives us a glimpse of humanity in the next few thousands years—the first few minutes of the next Cosmic Calendar year*—in the most optimistic way imaginable.
Looking at the news every day it may seem that we will never get there, but I have hope. Ish. I just wish I could be around to see it.
* The Cosmic Calendar is a method to visualize the vast history of the universe in which its 13.8 billion year lifetime is condensed down into a single year. In this visualization, the Big Bang took place at the beginning of January 1 at midnight, and the current moment is mapped onto the end of December 31 at midnight. At this scale, there are 438 years per second, 1.58 million years per hour, and 37.8 million years per day. This concept was popularized by Carl Sagan in his book The Dragons of Eden and on his television series Cosmos.