Breakthrough Season 2 Format:DVD Whale-watchers witnessed a stunning act

Whale-watchers witnessed a stunning act of nature as a killer whale rose to the water's surface with a great white in its mouth and held it there for 15 minutes

Sam and his family's lives are shattered as they are terrorized and psychologically tortured by a malicious stalker

A rare and fascinating study of the enormous jungle cats

Special Forces team

it's been called "darkly exhilarating" (Justin Chang

Breakthrough Season 2 Format:DVD Whale-watchers witnessed a stunning actBREAKTHROUGH is an anthology series that sheds a light on the world's leading scientists and how their cutting edge innovations and advancements will change our lives in the immediate future and beyond. The series brings to life the stories, people and technology behind these breakthroughs, and shows how they are changing our world.