Paula S. Apsell

Host Richard Smith comes face-to-face with the previously unknown reptilian rulers of prehistoric Australia. NOVA resurrects the giants that stalked the land and discovers that some of them were among the largest ever to have walked the Earth. Others were some of the most dangerous. In the dry desert heart, scientists unearth an ancient inland ocean, full of sea monsters. But reptiles didn't have the world all to themselves. Mammals like the enigmatic...

NOVA investigates the water disaster in Flint and unravels a disturbing truth about the vulnerabilities of water systems across the country.