This uncut original “Planet Earth” series comes to BBC AMERICA in a special weekend marathon this Earth Day weekend - Saturday April 21 & Sunday April 22 - marking the first time that the series will be broadcast in the U.S. with its original narrator, world-famous naturalist Sir David Attenborough, in its entirety.

Following the marathon, go behind-the-scenes for the World Premiere two-hour special, “The Making of Planet Earth,” with exclusive new interviews about the incredible adventures of the wildlife filmmakers who traveled all over the planet to create the 11-part series.