S5 E1 • On the Brain, Health & Fitness, Dinosaurs

How the brain works; the effects of caffeine; an up-close look at dinosaurs.

Première diffusion : 14 septembre 2015

S5 E2 • Get Creative, Identify This, Bad Ideas

The history of the circus and cinema; the vitaphone; some pretty bad ideas.

Première diffusion : 21 septembre 2015

S5 E3 • Extreme Sports, Inventions, Problems & Solutions

Flying like a superhero; a simple invention that has saved thousands of lives; the vacuum of space.

Première diffusion : 28 septembre 2015

S5 E4 • Supernatural, Untold History, The World in Numbers

Roswell, N.M.; the history of domestic life; surprising statistics

Première diffusion : 26 octobre 2015

S5 E5 • What's in a Name?, Oddities, Identify This!

S.O.S.; traveling in a crazy contraption; spectacular cities.

Première diffusion : 2 novembre 2015

S5 E6 • Ridiculous Theories, The World in Numbers, Claim to Fame

Solving everyday problems; the chances of surviving just about anything; bees.

Première diffusion : 9 novembre 2015

S5 E7 • Now and Then, Untold History, What It's Worth

The 17th century accessory that is still worn today; pop culture; the fastest way to get from country to country.

Première diffusion : 16 novembre 2015

S5 E8 • In Sickness and in Health, bad Ideas, Origins

Diseases; sewer gators; world wonders.

Première diffusion : 23 novembre 2015

S5 E9 • Mad Science, Oddities, Origins

Changing a knight into a tank; the world's fastest animal; science oddities.

Première diffusion : 25 janvier 2016

S5 E10 • Globetrotting, Home Sweet Home, The World in Numbers

The River Thames; origins of machines; an ancient bartering system.

Première diffusion : 1 février 2016

S5 E11 • Inventions, Identify This!, Extreme Sports

What makes a clock tick and turn; some of the world's most visited landmarks; extreme sports that surf Earth's terrain.

Première diffusion : 8 février 2016

S5 E12 • Into the Wild, Claim to Fame, Now and Then

Première diffusion : 18 avril 2016

S5 E13 • Who Said That?, What Could Have Been, Surprising Stats

Première diffusion : 25 avril 2016