Is there an asteroid or comet out there with our name on it? NOVA scans the skies and the geological record on Earth, for evidence that giant rocks from outer space have struck before and will eventually plow into our planet again.

NOVA Season 23 Episodes...

• s23e01 - Anastasia Dead or Alive?
• s23e02 - Venus Unveiled
• s23e03 - Hawaii Born of Fire
• s23e04 - The Doomsday Asteroid
• s23e05 - Lightning!
• s23e06 - Hunt for the Serial Arsonist
• s23e07 - Treasures of the Great Barrier Reef
• s23e08 - Race to Catch a Buckyball
• s23e09 - Can Buildings Make You Sick?
• s23e10 - Terror in the Mine Fields
• s23e11 - The Day the Earth Shook
• s23e12 - B-29 Frozen in Time
• s23e13 - Ebola: The Plague Fighters
• s23e14 - War Machines of Tomorrow
• s23e15 - Kidnapped by U.F.O'.s?
• s23e16 - Flood!
• s23e17 - Dr. Spock the Baby Doc
• s23e18 - Warriors of the Amazon
• s23e19 - Bombing of America

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.