The wreck of a passenger freighter is discovered in the Gulf of Mexico, sunk by a Nazi U-boat in WW2.
(02:17)Junebug the manatee is being transferred for her big move to Florida waters.
(02:11)It's time for Girl, the 31-year-old alligator's annual exam, but she may be too strong for the doctors and keepers!
(02:13)A stunning, intimate and unflinching portrait of free solo climber Alex Honnold, as he prepares to achieve his lifelong dream:...
(02:22)How does Dr. Pol treat this dog’s skin infection?
(02:56)The Christina is reeling in a humongous fish - but can they hang on long enough to haul it into the boat?
(01:04)Dr. Bill Fox, of the World Wildlife Fund, explains his stance on the strength of the bluefin tuna population.
(01:16)The Hard Merchandise tries to make a good catch at Georges Bank with a beast of a tuna.
(02:31)Miss Sambuca is close to mutiny when Paul’s brother decides he’s had enough.
(02:57)The Bounty Hunter tries to turn the corner and add to their tuna count.
(01:55)Young brown bears practice fighting while two older males put their skills to the test over a female.
(02:56)Illegal contraband meet their demise when confronted by the grinder.
(01:42)A Molasses spill off the coast of Oahu brings sharks to the smell of the dead fish.
(03:08)Scientists exploring Puerto Rico's trenches discover volcanic rock formations deep underwater.
(02:55)After an injured zebra foal survives a rough storm, its parents come to the rescue.
(01:39)A lynx goes after a defenseless rabbit in the beautiful wilds of Spain.
(02:22)Sea Turtle hatchlings must make it to the ocean from their nest before the sun rises.
(02:10)Chief Arvol Looking Horse discusses his journey to becoming the sacred one at the tender age of 12.
(03:15)Baby male elephant Beco is introduced to Bull elephant Hank.
(02:37)