Ava
A group of friends writing a book on the history of Los Angeles finds that their roommate is missing and has taken all of the material for the book. Two years later, a man working for a book publishing company finds the finished book but cannot find the author. He goes on a search to find out exactly what happened to them.
Survivor
What if an extra-terrestrial force attacked Earth? What might that look like and how will the people of Earth respond? Consulting a cast of world-renowned scientists, survival experts and defense experts, National Geographic explores this frightening scenario. Experts reveal what could motivate alien invaders to attack Earth, and speculate on how the attack might play out, the strategy alien invaders might use, and the most effective ways for humans to respond.
