Embark on an astounding journey across 100,000 light-years to witness key moments in the history of the Milky Way. Using cutting-edge science, National Geographic constructs a 3-D state-of-the-art CGI model of the galaxy. Peer into the heart of the Milky Way on the hunt for super-massive black holes, watch how stars are born and die, fly out and above the plane of the galaxy to understand its true shape, and scour its dusty spiral arms for the possibility of life.

Originally broadcast on television in 2010. Bonus program: Killer asteroids.

Inside the Milky Way -- Killer asteroids.