Scientists exploring Puerto Rico's trenches discover volcanic rock formations deep underwater.
(02:55)Hard Merchandise and Hot Tuna invade a southern fleet of Bluefin tuna fishermen.
(02:55)The fleet chase the tuna, but the Hard Merchandise seems to reap the rewards.
(02:53)The owner of a bush baby learns that she's had the gender of her exotic animal wrong all this time.
(01:13)Hey Jude, a fragile cockatiel, needs a creative solution in order to help her warm up quickly!
(01:21)Dr. K is reminded why she left dog and cat practices when a fox comes into the clinic for an anal gland expression.
(01:58)A flying lizard is pursued by a flying snake.
(01:27)The Primal Survivor goes hunting for a meal with eight tentacles.
(02:43)Grizzly bears fish for salmon to fatten up for the coming winter.
(02:01)What happens when we die?
(00:30)Morgan Freeman sees the oldest written depiction of the afterlife inside a 4,000 year-old Egyptian Temple.
(02:21)In the midst of peril, 9/11 survivor, Sujo, heard God speak and assure him he would be okay.
(02:53)Morgan Freeman answers 20 thought-provoking questions, including "would you rather live on Earth or Mars" and "pineapple on...
(01:33)Dr. Priya and the team are hoping to get a look at Zuri the giraffe's baby on ultrasound, if only Zuri will cooperate.
(03:06)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)Dr. Pol performs emergency surgery to treat a dog that was hit by a car.
(04:54)Scott is none too pleased with the Bounty Hunter's new first mate.
(00:48)On the Lily, Captain Hollywood takes aim on a school of tuna with the help of some air support.
(01:26)The skin of colobus monkeys were once used in dance rituals.
(02:32)