Joe Panz confronts Zeus the dog's owner.
(00:51)Inside Nature's Giants dissects the largest animals on the planet to uncover their evolutionary secrets.
(01:02)Mike visits the Gomantong Caves in Borneo, full of a million bats and a hundred foot pile of bat faeces. The place is crawling...
(03:12)Mike goes to Labok Bay Sanctuary, for the proboscis monkey feeding time.
(03:09)After warning us that Rio has a hidden killer, the dengue virus, carried by mosquitoes. Mike takes one of the city's more...
(03:09)A small group of scientists is on a mission: find the last stretches of ocean that remain as they were before man.
(03:03)Even the sails on the Plastiki are made of recycled materials. Meet the skipper of this plastic ocean vessel.
(02:02)At the National Ice Core Lab in Lakewood, Colorado, a giant freezer stores over 13,000 meters of ice drilled from 34 sites...
(02:59)Meet the feathered 'Terror Birds'.
(02:22)Meet the ugliest creatures ever to have lived!
(00:55)Few people have ever seen one – or ever will. The Amur leopard. About 30 remain in the wild, making it the most critically...
(00:52)Worldwide, ants are so numerous their total weight is almost as much as the human population. A force to reckon with. Workers...
(02:59)In the North lies the Arctic. A place of extreme hardship, demanding finely-honed survival skills. Where life is precarious...
(01:07)Brady Barr examines a hippo from very close.
(03:00)Enter a world of pain with Dr Mike Leahy as he takes his encounter with the Brazilian fire ant to the limit.
(03:10)Older than dinosaurs, sawfish are filter-feeders just like baleen whales.
(02:55)Climate experts continue to examine what effect each rise of 1ºC could have on the world.
(01:17)Megalodon was the biggest predator ever to swim the oceans who ruled the seas for 20 million years.
(01:06)