When the American Museum of Natural History's Hayden Planetarium stopped calling Pluto a planet, director Neil deGrasse Tyson found himself at the center of a firestorm led by angry Pluto-loving elementary school students. What is it about Pluto-a cold, distant, icy rock-that captures so many hearts? Four years after the IAU (International Astronomical Union) officially reclassified the ninth planet as a plutoid, NOVA travels cross-country with Tyson to find out.

NOVA Season 37 Episodes...

• s37e01 - Darwin's Darkest Hour
• s37e02 - Hubble's Amazing Rescue
• s37e03 - Lizard Kings
• s37e04 - Becoming Human Part 1: First Steps
• s37e05 - Becoming Human Part 2: Birth of Humanity
• s37e06 - Becoming Human Part 3: Last Human Standing
• s37e07 - What Are Dreams?
• s37e08 - What Darwin Never Knew
• s37e09 - Killer Subs in Pearl Harbor
• s37e10 - Building Pharaoh's Ship
• s37e11 - Riddles of the Sphinx
• s37e12 - Ghosts of Machu Picchu
• s37e13 - Extreme Cave Diving
• s37e14 - The Pluto Files
• s37e15 - Telescope: Hunting the Edge of Space - The Mystery of the Milky Way
• s37e16 - Telescope: Hunting the Edge of Space - The Ever Expanding Universe
• s37e17 - Mind Over Money
• s37e18 - Mt. St. Helens Back From the Dead

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.