"The Americas" is the long-awaited premium wildlife documentary series by BBC and NBCUniversal. The NBC/BBC series was five years in the making and is the most expensive non-scripted program ever made at NBCU.

Tom Hanks sits down with TODAY’s Savannah Guthrie to talk about the new nature documentary series that he narrates called “The Americas” that took half a decade and 180 expeditions to capture the footage.

Actor Tom Hanks narrates NBC's 'The Americas,' a 10-part nature docuseries. It's not the actor's first time lending his voice to environmental shows.