The video starts with information about coastal geology and the evolution of birds. It includes amazing footage of white storks, wildebeest, as well as zebras in East Africa's Serengeti region.

The focus of this segment is on animals of the African savanna. We get to see giraffes and elephants, the largest of the land creatures, as well as cheetahs, the fastest.

Rhinoceroses, or rhinos for short, are the largest land animals after elephants. Five species remain (two in Africa and three in Asia) and all are endangered as a consequence of the illicit trade of their horns. The importance of rivers is another focus of this segment.

The series draws to a close with footage of apes, the most direct ancestors of humans. The narrator nicely sums up the meaning of evolution and man's place in nature.

Rosetta revisits the exciting scientific discoveries she has made during her time at Comet 67P/Churyumov-Gerasimenko, including the successful search to find Philae. Now it's time to start preparing to descend to the comet for the end of her extraordinary mission.

The world’s worst human rights abuses require permanent solutions. The Enough Project uses cutting-edge research, advocacy and campaigning to work toward ending genocide and crimes against humanity.

In the war zones of Liberia and Congo, four volunteers with Médecins Sans Frontières (MSF) struggle to provide emergency medical care under extreme conditions. With different levels of experience, each volunteer must find their own way to face the challenges, the tough choices, and the limits of their idealism.

This animated video shows how tuberculosis, still a very common disease, spreads and is fought by our bodies. Find out more about MSF’s work treating tuberculosis around the world.

In this episode of “Triple D”, Guy Fieri takes us to The Cookie Jar Restaurant in Fairbanks, Alaska. Founded in 1986, it’s a family run business with a loyal local clientele. Enjoy!

In this episode of "Triple D", Guy Fieri visits the Burger Bar in Roy, Utah. Founded over fifty years ago, it's a family run business. Here, they take pride the food they prepare and their loyal customers keep coming back for more!

In this second episode of “Triple D” from Roy, Utah, Guy Fieri samples the goods and concludes his interview with the dedicated staff and loyal customers from the Burger Bar. Enjoy!

Late, great actor DeForest Kelley talks about the success of the "Star Trek" series and what it's like to be an aging actor at the time of the release of "Star Trek V: The Final Frontier". This includes a great clip from the original series featuring William Shatner, Leonard Nimoy and actress Joan Collins. Enjoy!

David Gallo shows jaw-dropping footage of amazing sea creatures, including a perfectly camouflaged octopus, and a Times Square’s worth of neon light displays from fish who live in the blackest depths of the ocean.

Here in part two David Gallo shows more amazing footage of incredible undersea creatures. Enjoy!

Jessie J and her team are spending a day off in New York City and are visiting the Statue of Liberty. Their sightseeing tour doesn't last long since someone is daring Jessie J right there!