Episode 1: Sugar
2021-07-1624 min
Once crucial for survival, sugar now poses a health risk. Is there a way to satisfy our primeval craving for sweetness in a healthy, balanced way?
Season guide
Explained Season 3 — Episodes and Where to Watch
14 episodes · first aired 2021-07-16
TMDB does not provide a season overview.
Episode guide
Episode 2: Royalty
2021-07-2324 min
How do monarchies survive when they no longer wield power? By presenting a royal fairy tale that may not reflect the reality of the past — or present.
Episode 3: Flags
2021-07-3022 min
A flag can unite, divide and terrorize. Explore how a piece of cloth transformed into a powerful symbol of both love and hate, freedom and oppression.
Episode 4: Dogs
2021-08-0623 min
Who's a good dog? They all are! From puppy-dog eyes to feats of heroism, see how canines evolved into humankind's best friends and sources of pure love.
Episode 5: The End of Oil
2021-08-1321 min
Oil led to huge advancements - and vast inequities. As the planet warms, why is it so hard to turn away from fossil fuels, and can it be done in time?
Episode 6: Chess
2021-08-2023 min
For centuries, chess has captured hearts and minds — and pawns — and it's more popular than ever. What makes this ever-changing board game so special?
Episode 7: Your Skin
2021-08-2721 min
Don’t panic, but our skin plays host to trillions of bacteria, fungi, mites and other microscopic guests. Go beyond skin-deep with our largest organ.
Episode 8: Apologies
2021-09-0322 min
Apologizing is tough, and in this era of public mea culpas, forgiveness isn't guaranteed. What makes for a good apology, and why does it hold such power?
Episode 9: Hurricanes
2021-09-1023 min
As the planet warms, hurricanes could become even more dangerous and destructive.
Episode 10: Plastic Surgery
2021-09-1724 min
The Instagram face. A shapely posterior. Cosmetic surgery can make the latest beauty trends a reality. Explore its origins and effects, inside and out.
Episode 11: Dance Crazes
2021-09-2420 min
From the waltz to voguing, dance crazes have connected people throughout history. But when a dance catches on, who gets the credit — and compensation?
Episode 12: Time
2021-10-0125 min
Time flies… sometimes. Its passage can seem to speed up and slow down. Why do we experience time the way we do, and how do we take back some control?
Episode 13: Country Music
2021-10-0825 min
Dirt roads. Pickup trucks. Hip-hop? As the borders around country music shift, who decides what defines the popular genre, and who gets to be a star?
Episode 14: Fairy Tales
2021-10-1524 min
Fairy tales have survived thousands of years for a reason. Explore their far-flung history and how the stories speak to fundamental human concerns.
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