Dangerous Encounters

The host visits Suriname to study electric eels and hopefully identify a new species.

The host tracks brown bears in the Alaskan rain forest.

The host studies electric eels in the Central Suriname Nature Preserve in South America.

A look at ambush predators that use speed to capture their prey. Included: snakes; crocodiles.

National Geographic reptile expert Brady Barr is on the trail of a mysterious beast some say is a dinosaur, a brontosaurus-like creature reminiscent of Scotland's Loch Ness monster. Brady's research pays off in a face-to-face encounter.

Australia is home to some of the most venomous creatures on the planet. In fact, there are more toxic animals per square foot here than anywhere else. What is it about this place? To find out, Dr. Brady Barr teams up with local experts to come face to face with seven deadly creatures and uncover the how and why behind their lethal punch. In countdown format, Brady will rank each animal in four categories: venom, attitude, chance of contact, and death toll. Which animal will he crown the number one venomous culprit in Australia?

Cave ins, flash floods, bats and noxious levels of carbon dioxide couldnt keep National Geographic Herpetologist Dr Brady Barr from his quest for a twenty-foot python. Not even the memory of the traumatic bite from a 12-foot python could keep him away. This time he prepares himself for the dangers that lie in the cave with a visit to Bracken Cave in Texas home to 20 million bats that raise the carbon dioxide levels treacherously high with every exhale, not to mention their guano. Then Bradys back in Indonesia, dodging deadly vipers, trudging through waist deep guano and heading into the cave where he was bitten a year ago in search of a monster python. Hes going deeper, braving the dangers of the cave and using new techniques to try to capture one of the biggest snakes he has ever captured in his career.

Journey to Kruger National Park with Dr. Brady Barr and discover how rising water levels in the Olifants River are threatening the largest concentration of Nile Crocodiles in Southern Africa.

Something is blinding American Crocodiles living in Costa Ricas Tarcoles River and Brady Barr is on the case. What could be causing this devastating condition? Turns out-- the Tarcoles River is one of the most polluted waterways in South America. Could deadly pollutants be the smoking gun or is something even more sinister at work?

NGC herpetologist Brady Barr tracks the Komodo dragon, a fierce predator with razor-sharp teeth that can consume 80 percent of its body weight in a single meal.

The Indo-Pacific's most lethal creatures, including the cobra, the moray eel and the Sumatran tiger.

Dr. Brady Barr is bitten by a large python while filming in a partially underwater snake cave on an island in Indonesia.

NGC reptile expert Brady Barr goes in search of the biggest wild crocodile. A specially designed laser device with a built-in HD camera let's Brady measure these huge creatures.

Reptile expert Brady Barr designs a unique protective suit that will allow him to work closely with unrestrained crocodiles in Tanzania. But first, he tests the suit on other animals like grizzly bears, wolves and rodeo bulls.

Herpetologist Brady Barr examines seven of the planet's most dangerous and venomous snakes to determine which is the deadliest. Included: king cobras; black mambas.

NGC herpetologist Brady Barr searches for the dens of the most deadly animals: Chinese alligators, American black bears, snakes in South Africa and sharks off Maui's coast.

The False Gharial of Borneo, the Chinese Alligator and the Philippine Crocodile are incredibly shy creatures. Merely seeing one in the wild is rare, but catching one? Brady Barr faces his toughest assignment yet.