Simon Barritt

In the Serengeti, cheetahs lead uneasy lives. Females must leave their cubs alone and exposed to the savagery of more powerful predators in order to hunt. Even scrounging scavengers can gain the upper-hand over this slender and graceful speedster. This extraordinary tale follows two cheetah mothers, struggling to raise their young in the face of constant danger. As their fortunes rise and fall, experience battles against luck for the upper hand and success against all odds.

Deep in the heart of the Mediterranean Sea lies the volcanic island of Stromboli. Erupting every 20 minutes, it is one of the world's most active volcanoes. Life on the surface is tough when the volcano is spewing molten lava. Beneath the surface, a healthy population of common octopus thrives. Scientists are trying to discover what allows the octopus to survive in such a hostile environment.

Scientific experts research about the bizarre and fascinating shark behavior based on real footage captured by professionals and bystanders.