Witness the lifecycle of a monarch butterfly - from egg to pupa to adult.
(03:00)An animal trainer is killed by his elephant during a performance; why did it attack?
(02:32)Megalodon was the biggest predator ever to swim the oceans who ruled the seas for 20 million years.
(01:06)Join us to discover the fierce battle between lions and their mortal enemies, in a fierce fight over food.
(03:00)Jakub fights with an enormous predator and almost gets dragged to the river’s bottom.
(03:15)Kiko, Tootsie & Ginger, and Binkey
(04:15)Meet these soft, calm and very valuable animals.
(03:00)Jakub gets a perfect sample of a Nile Perch for parasite research.
(03:01)Vágner ventures into the world’s largest rain forest to go head-to-head with the giant piraiba catfish.
(03:08)Despite the dangers that await, many species are beginning their instinctual migratory treks through Africa.
(02:25)Experience the drama of an eternal rivalry between two mortal enemies.
(00:31)After days of hiking and canoeing Vágner reels in the biggest arapaima he’s ever seen.
(03:09)The mayfly is born, lives through middle-age, and then dies. All in the same day.
(02:41)Sheep might be calm creatures, but they’re not easy to round up and test.
(03:00)Jakub faces new challenges as he goes deeper into the Amazon jungle in Peru.
(02:49)Reggie, Diva, Rocco & Vito, and Mugsy
(03:39)How does Dr. Pol treat this dog’s skin infection?
(02:56)A zebra foal and his father catch up with the herd on its way back to the rich green lands of the delta.
(01:43)Meet the feathered 'Terror Birds'.
(02:22)Dolphins are some of the smartest animals on earth, but if tormented, they will fight back.
(02:56)