Extras

Nature

Ocean Giants "Giant Lives" - Preview

Preview: S30 Ep8 | 30s

Airs Wednesday, March 28, 2012 at 8:00 p.m. ET/PT. Check your local listings.

Nature

The Humpback Mating Marathon

Clip: S30 Ep8 | 3m 3s

A group of humpback males compete for the affection of a female.

Nature

The Oldest Mammal on the Planet

Clip: S30 Ep8 | 1m 38s

Living up to 200 years, Bowhead Whales are one of the oldest animals on the planet.

Nature

Visit from an Infant Sperm Whale

Clip: S30 Ep8 | 1m 42s

An infant sperm whale, separated from its mother, approaches cameraman Doug Allan.