Episodes
All
Follow the surprising evolutionary journey that led to the majestic elephant.
Discover the untold story—full of surprising evolutionary leaps—behind every bite we take.
The story of the dolphin reveals how intelligence evolved, step by step, over billions of years.
Inside the escalating military struggle to control space and the satellites we rely on.
Step into the stunning cave that’s reshaping our understanding of prehistoric art.
Witness how Native North Americans have generated scientific knowledge over thousands of years.
Follow the relentless quest that led to a breakthrough treatment for a deadly disease.
Follow the Artemis mission to bring humanity back to the Moon for the first time since Apollo.
Archaeologists investigate the dramatic origins of democracy in ancient Greece 2,500 years ago.
Extras
Get ready for the all-new season, coming January 17, 2027 at 9/8c.
The cast play a game of "What's in the vet bag?" with sentimental props from the series.
Celebrate the legacy of Gene Wilder, the actor behind Willy Wonka and Young Frankenstein.
Learn how architects Liz Diller and Ric Scofidio transformed cityscapes around the world.