Physicists Albert Einstein and Leo Szilard reenact the signing of the 1939 letter that alerted President Franklin Roosevelt to the feasibility of atomic weapons. Szilard drafted and Einstein signed the famous warning, which led to the building of the first atomic bomb.

NOVA Season 20 Episodes...

• s20e01 - Animal Olympians II
• s20e02 - The Genius Behind the Bomb
• s20e03 - Mind of a Serial Killer
• s20e04 - Search for the First Americans
• s20e05 - Rafting Through the Grand Canyon
• s20e06 - This Old Pyramid
• s20e07 - Iceman
• s20e08 - Private Lives of Dolphins
• s20e09 - Brain Transplant
• s20e10 - Can You Stop People From Drinking?
• s20e11 - Sex and the Single Rhino
• s20e12 - The Hunt for Saddam's Secret Weapons
• s20e13 - Can Bombing Win a War?
• s20e14 - The Deadly Deception
• s20e15 - Nazis and the Russian Bomb
• s20e16 - In the Path of a Killer Volcano
• s20e17 - Can Science Build a Champion Athlete?
• s20e18 - Diving for Pirate Gold
• s20e19 - Murder, Rape and DNA
• s20e20 - The Lost Tribe

NOVA Show Summary

Seen in more than 100 countries, NOVA is the most watched science based television series in the world and the most watched documentary series on PBS. It is also one of television's most acclaimed series, having won many major television awards, most of them many times over.