5-th episode of 20-th season "NOVA"

What "NOVA" 5-th episode about

NOVA explores Earth's greatest natural wonder by rafting down the river that created it, repeating the spectacular first canyon voyage of the 19th-century explorer John Wesley Powell. The Grand Canyon tells the story of nearly 2 billion years of earth history plus the changes caused by three decades of human intervention.

Episode number: 5

Episode name: "Rafting Through the Grand Canyon"

Episode release date: 28 october 1992 at 02:00

Status: aired

Rating: 8.2