Season 3

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Episodes

Each episode has its own detail page.

Episode 124 min2021-07-16

Sugar

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?

Episode 224 min2021-07-23

Royalty

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 322 min2021-07-30

Flags

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 423 min2021-08-06

Dogs

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 521 min2021-08-13

The End of Oil

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 623 min2021-08-20

Chess

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 721 min2021-08-27

Your Skin

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 822 min2021-09-03

Apologies

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 923 min2021-09-10

Hurricanes

As the planet warms, hurricanes could become even more dangerous and destructive.

Episode 1024 min2021-09-17

Plastic Surgery

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 1120 min2021-09-24

Dance Crazes

From the waltz to voguing, dance crazes have connected people throughout history. But when a dance catches on, who gets the credit — and compensation?