• Bob Ballard
National Geographic Explorer-in-Residence Bob Ballard has always dreamed of following in the footsteps of the famous Captain Nemo. Now he has his own ship named the Nautilus and he is ready to continue exploring the ocean depths. Ballard and Boyd talk about past discoveries and what is yet to be found.
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• Simon Worrall
In the June National Geographic magazine, author Simon Worrall reveals that the “Made In China” label is nothing new. China, it turns out, has been exporting mass produced goods for over a thousand years. Worrall tells Boyd how a 1,200-year-old shipwreck has opened a window on ancient global trade.
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• Nick Whitney
National Geographic grantee Nick Whitney studies the mating habits of sharks. Boyd wants to know how the male sharks woo the female sharks: a bouquet of seaweed, a box of sardines, or just a bite out?

• Story
Boyd shares a story about snuggling with a vicuña during a recent trip to Peru.

• Eli Yamin Blues Band
The Eli Yamin Blues Band has been traveling the world sharing the blues. The band recently returned to the United States and performed at the National Geographic Headquarters in Washington, D.C. Before taking to the stage they joined Boyd in the studio to talk about their music and their travels.
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• Luke Dollar
National Geographic Emerging Explorer Luke Dollar originally traveled to Madagascar to study lemurs. But when he came across a strange animal called a fossa that seems to be a cross between a mongoose and a mountain lion he was hooked. Dollar joins Boyd in the studio to share what little is known about this elusive creature.
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• James Clark
National Geographic grantee James Clark and his colleagues have discovered the fossilized remains of a new species of dinosaur called Limusaurus inextricabilis. Clark tells Boyd these fossils, found in China, are unlocking some mysteries about the evolution of birds.

• Jag Bhalla
In “I'm Not Hanging Noodles On Your Ears and Other Intriguing Idioms from Around the World” author Jag Bhalla has compiled hilarious phrases from around the world. Bhalla joins Boyd in the studio to reveal what the Chinese mean when they say your eyebrows are on fire, or if a Frenchman says he’s eaten his birth certificate.
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• Boyd's Wild Chronicles
Boyd introduces a new segment and complementary Web site called “Boyd Matson's Wild Chronicles” with a story about liquid Viagra from the Amazon rain forest.
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