As summer melts the ice, polar bears dive for food in a unique way rarely seen called porpoising.
(02:44)The Moose Creek crew gears up to mine, but are missing one piece of the puzzle.
(02:13)Karl and Marty Knutson finally lay their hands on a custom-built sluice plant.
(02:25)Ken and Guillaume check the sluice and Big Al tests his plastic pipes.
(03:13)Gary saves the day by finding gold nuggets!
(01:36)Karl starts his day with a pile of issues leaving him with a sinking feeling.
(02:11)Kyle and Karl attempt to fix the big rock truck using the blade of a bulldozer on Sulphur Creek.
(02:22)Conservationist Mike Fay and his team travel along the Gabon coastline to document the need for preservation of its marine life.
(02:42)Dr. Oakley visits a wildlife center to check on a reindeer suffering from an umbilical hernia.
(03:02)Dr. Oakley races against the clock to draw blood and microchip the zoo's new meerkats.
(01:57)A feral cat makes a daring escape when Dr. Oakley tries to vaccinate him.
(02:34)Dr. Oakley checks a dog suffering with anal growths.
(02:34)A fat cat named Morris comes to Dr. Oakley to shave down the fur on his bum.
(02:19)Dr. Oakley tries to help local farm pigs suffering from a bad case of mange.
(02:34)A Bornean Rhino takes a mud bath.
(02:05)A flying lizard is pursued by a flying snake.
(01:27)Phil Breslin must pass through a seal beach to continue on his trek.
(01:57)The Aye-Aye is one of the most bizarre creatures in the world. It has special adaptations that make it a formidable hunter.
(01:44)A Florida softshell turtle searches for a safe place to lay her eggs.
(02:00)After being swept away from his herd while crossing the Lamar River, a bison calf defies all odds in order to survive.
(04:10)