Naomi's Nightmares of Nature

Heading into Yellowstone, Naomi prepares to face some of America's most famously fearsome wildlife - bears and wolves.

Naomi's search for nightmare critters takes her to the sprawling savannahs of northern South Africa, where she searches for one of the biggest animals on Earth.

Naomi Wilkinson heads stateside to see what scary wildlife she can find in California. She kayaks out to find sea otters, then tries getting to grips with some hagfish.

Naomi and her crew explore the southern tip of South Africa, and there are plenty of horrors in store as she delves underground into a scary subterranean world.

Naomi's on a mission to confront her worst nightmare, as she explores the East coast of South Africa and goes in search of the world's biggest shark.

Naomi Wilkinson heads into the blistering heat of the Australian outback in search of more nightmares of nature. She joins a snake catcher.

Naomi Wilkinson's search for nature's nightmares take her into the jungles of Queensland in Australia, where she faces her fear of the giant huntsman spider.

Naomi Wilkinson travels the coastline of Australia on the hunt for more nightmares of the natural world. She goes for a swim with an enormous saltwater crocodile.

Naomi has travelled the globe encountering some terrifying nightmares. Now she looks back at five of mankind's very worst phobias.

Naomi counts down through her top ten worst nightmares of the series - and reveals what she has chosen to take the top spot as her very worst nightmare.