A mother polar bear must lead her cubs through one of the year's coldest, longest nights at the onset of arctic winter.

On Namibia’s Skeleton Coast, a seal pup left home alone must outwit jackals and hyena ambushes to survive the night.

As night descends, the coral reef world transforms. A dazzling realm of hidden hunters and natural wonders emerge from the dark.

Trying to survive the Australian night, a family of kangaroos evade a pack of hungry dingoes hunting them in the darkness.

A young puma coming of age in the Patagonian mountains must learn to survive on her own after her mother leaves to start a new family.

A family of African elephants leverage the cool night to journey in search of water, but the darkness leaves them unexpectedly vulnerable.