Season 50
(2023)
Cast
Episodes
London Super Tunnel 0.0
February 1, 2023
Thousands of engineers, technicians and workers race to build Europe’s biggest construction project–London’s new railro…
Star Chasers of Senegal 0.0
February 8, 2023
A NASA spacecraft named Lucy blasts off from Cape Canaveral on a mission to the Trojans, a group of asteroids over 400 …
Ancient Builders of the Amazon 0.0
February 15, 2023
Recent discoveries in archaeology are exploding the myth of the Amazon as a primeval wilderness, revealing traces of an…
New Eye on the Universe 0.0
February 22, 2023
Join scientists as they use NASA’s brand new James Webb Space Telescope to peer deep in time to hunt for the first star…
Weathering the Future 0.0
April 12, 2023
It’s hard not to notice: our weather is changing. From longer, hotter heat waves, to more intense rainstorms, to megafi…
Chasing Carbon Zero 0.0
April 26, 2023
The U.S. recently set an ambitious climate change goal: zero carbon emissions by 2050. And to achieve that, slash emiss…
Saving the Right Whale 0.0
May 3, 2023
North Atlantic right whales are among the planet’s most critically endangered large ocean mammals. With fewer than 350 …
Hidden Volcano Abyss 0.0
May 10, 2023
In January 2022, one of the most powerful volcanic eruptions in recorded history rocked the Pacific islands of Tonga, s…
Your Brain: Perception Deception (1) 0.0
May 17, 2023
Is what you see real? Join neuroscientist Heather Berlin on a quest to understand how your brain shapes your reality, a…
Your Brain: Who's in Control? (2) 0.0
May 24, 2023
Are you in control, or is your brain controlling you? Dive into the latest research on the subconscious with neuroscien…
Ancient Earth: Birth of the Sky 0.0
October 4, 2023
Today, Earth is enveloped by a thin veil of gas, a narrow band of atmosphere that protects a world covered in lush gree…
Ancient Earth: Frozen 0.0
October 11, 2023
700 million years ago, Earth was a giant snowball cloaked in ice from pole to pole—a global deep freeze that held the p…
Ancient Earth: Life Rising 0.0
October 18, 2023
For billions of years, life teemed in the oceans of planet Earth while the land was desolate and inhospitable. So how d…
Ancient Earth: Inferno 0.0
October 25, 2023
252 million years ago, the most devastating mass extinction of all time abruptly wiped out around 90% of all species on…
Ancient Earth: Humans 0.0
November 1, 2023
The story of Earth can only be told because now, 4.5 billion years into its existence, a technological and self-aware a…
Inside China's Tech Boom 0.0
November 8, 2023
In the span of just a few decades, China has transformed into a science and technology superpower. But how did it get h…
The Battle to Beat Malaria 0.0
November 15, 2023
Malaria is one of humanity’s oldest and most devastating plagues. In many parts of the world, it remains an ever-presen…
Lee and Liza's Family Tree 1.0
November 22, 2023
Many descendants of enslaved people have little record of their family's ancestry. Follow one family's quest to discove…