Ocean Giants

Latest Episodes

• Season 1 Episode 3: Voices of the Sea

  The documentary explores the vocal ranges of marine mammals. Sperm whales produce clicks to locate giant squid two miles beneath the ocean surface, and narwhals use a similar technique to find breathing holes in Arctic ice floes. Bottlenose dolphins communicate with fishermen in Brazil, humpbacks offer haunting operatic performances and boto dolphins create bat-like ultrasonic calls to help find fish in the murky Amazon River. Narrated by Stephen Fry

• Season 1 Episode 2: Deep Thinkers

  The documentary explores the intelligence of marine mammals, discovering just how smart whales and dolphins really are. Scientist Denise Herzing talks about the development of a two-way communication system between dolphins and humans in the Bahamas, while in Western Australia the creatures are filmed using a range of survival skills. In Mexico, grey whales seemingly empathise with humans, while the humpbacks of Alaska pool their talents to increase hunting success. Narrated by Stephen Fry

• Season 1 Episode 1: Giant Lives

  Documentary exploring the lives of the planet's largest marine mammals and the secrets of their survival. Cameramen Doug Allan and Didier Noirot travel from the Indian Ocean to the Arctic seas, filming 200-ton blue whales and fighting humpbacks. The team also discovers that southern right whales possess a pair of one-ton testicles and reveals how Arctic bowheads can live to be more than 200 years old. Narrated by Stephen Fry