Whale sharks gracefully gobble down the fish eggs released in a timely spawn.
(02:56)Everyone is feeling the bite of the oncoming storm.
(00:53)One irritable patient gives Dr. Michelle Oakley a piece of her mind.
(02:56)Ron Howard speaks on the constant evolution of our active quest for breakthroughs.
(02:00)Brock and Anthony scale Niagara's legendary Cave of Winds to make it as safe as possible for the public.
(02:35)This husband and wife team have been "hooking up" for years - and it shows.
(00:59)Our brain plays a trick on us when two completely different famous faces are morphed.
(01:28)Dr. Oakley races against the clock to draw blood and microchip the zoo's new meerkats.
(01:57)A family of brothers shows David Hasselhoff how they engineered a zip line to get over the Berlin Wall.
(02:57)Akiva Goldsman talks about the importance of finding clean, safe energy in our world.
(01:02)Weekend warriors make it difficult for professional fishermen to earn their keep.
(00:32)Dr. Oakley, daughter Willow and American Eagle Foundation employee Brian try to take blood from a young Eurasian Eagle Owl.
(02:13)David Hasselhoff meets with a couple that shows him their daring escape under the Berlin Wall.
(03:02)Brett Ratner discusses how his fascination with the brain began.
(02:07)Ingrid puts her life on the line while looking for a lost hyena.
(01:51)The Shark Men have successfully tagged a female Great White and the crew take a look at the seal inhabitants of the Island.
(03:02)For all its beauty, Aliwal is still a wilderness, governed by the strict laws of nature.
(03:03)Angela Bassett speaks about the importance of acknowledging that there is a water problem in our world and figuring out ways...
(02:14)The New Horizons probe will be the only chance we have at visiting Pluto in our lifetime.
(03:03)Kevin and the Christina have one of the worst days of his fishing career.
(00:54)