Watch Sunday, August 24, 2014 at 8pm on WORLD | Find out if human beings’ efforts to outwit raccoons are actually making the animals smarter.

Watch Sunday, August 17, 2014 at 8pm on WORLD | Enjoy a look back at elephant matriarch Echo, the subject of many films.

Watch Sunday, August 10, 2014 at 9pm on WORLD | Join Joe Hutto as he crosses the species divide and becomes part of a wild mule deer family.

Watch Wednesday, July 9, 2014 at 8pm | Witness the Monterey Bay Aquarium’s 501st attempt to save a stranded orphan otter.

Watch Wednesday, July 2, 2014 at 8pm | Examine a wildly creative, hopelessly complex and stunningly expensive approach to managing salmon.

Watch Wednesday, June 25, 2014 at 8pm | Join Sir David Attenborough on a journey through the weird and wonderful world of frogs.

Watch Wednesday, May 28, 2014 at 8pm | Revel in the resurgence of the bald eagle, the American emblem that's come roaring back from the brink of extinction.

Watch Wednesday, May 21, 2014 at 8pm | Check out swarm intelligence, essentially a living embodiment of social media in the natural world.

Watch Wednesday, May 14, 2014 at 8pm | Learn how beavers are being recruited to reverse the effects of global warming and water shortages.