S1E1 - Survival Of The Fittest
There are many fine examples of evolutionary history in the natural world. Whales evolved from land-dwelling creatures to today's marine mammals.
March 25, 2016, midnight
S1E2 - The Big Cats
The leopard is perhaps the best-equipped big cat, with a population spread far and wide, but lions have almost no predators.
April 1, 2016, midnight
S1E3 - The Great Desert Race
Desert animals have evolved to handle heat and lack of water. This includes scorpions, which have existed since life first crawled from the sea.
April 1, 2016, midnight
S1E4 - Herbivores
The African Savannah sees thousands of battles each day. How do elephants survive on a diet that even the strictest vegetarian would avoid?
April 1, 2016, midnight
S1E5 - Natural Warriors
Males and females of some species fight viciously. Though they are usually not trying to kill each other, the fighting can result in death.
April 8, 2016, midnight
S1E6 - Run Like The Wind
With predators always looking for a meal, their prey must constantly avoid being eaten. Defensive adaptations add to their chances of survival.
April 8, 2016, midnight
S1E7 - The Early Bird
Attack and escape scenarios involving avian predators and their prey, including horizontal speeding and diving to avoid capture.
April 8, 2016, midnight
S1E8 - Reptiles
Crocodiles are descended from animals that roamed Earth 250 million years ago, while snakes rely on the sun to control their temperature.
April 15, 2016, midnight
S1E9 - Defenses
From insects that look like leaves and snakes that play dead to flying fish and poisonous toads, animals defend themselves in fascinating ways.
April 15, 2016, midnight
S1E10 - Underwater Predators
Almost all animals living in the sea have bodies designed for hunting or protection, and predators have adapted extreme measures to survive.
April 15, 2016, midnight
S1E11 - Underwater Defences
Protecting themselves underwater is a matter of invention and reinvention, so aquatic animals deploy an array of strategies just to stay alive.
April 22, 2016, midnight
S1E12 - Underwater Prey's Defenses
Protecting themselves underwater is a matter of invention and reinvention, so aquatic animals deploy an array of strategies just to stay alive.
April 22, 2016, midnight
S1E13 - The Race Underfoot
There are many reasons why insects survive, from strong, flexible shells to wings that give them the option of flying away from danger.
April 22, 2016, midnight
S1E14 - After Dark
Nocturnal animals use the dark to escape predators, avoid the heat of the day, and take turns sharing food and resources.
April 29, 2016, midnight