
Browse all 17 episodes in this season, including available images, air dates, runtimes, ratings and episode summaries from TMDB.

Episode 1
DescriptionSpace rocks: asteroids and comets; what happens when interstellar debris collides with Earth.

Episode 2
Charlie and Kirby look at storms, hurricanes and tornados; storm chasers in Colorado; the science behind weather.

Episode 3
Charlie and Kirby learn why shipwrecks happen; researching and exploring sunken treasures.

Episode 4
Charlie and Kirby explore how dogs were domesticated and how different breeds developed.

Episode 5
The seven senses that sharks have; getting up close and personal while cageless shark diving.

Episode 6
Animal headgear; how antlers and horns are different.

Episode 7
Learning the ropes to survival 101; food and water needs; how elements impact body temperature; tricks to tackling life in the great outdoors.

Episode 8
Animals adapt to life in the freezing-cold weather of Alaska.

Episode 9
Spiders, ladybugs, mayflies and other arthropods.

Episode 10
Invasive species are the new neighbors no one wants.

Episode 11
Humans' five senses; taste buds; jobs that use taste as their primary tool; human evolution.

Episode 12
Charlie and Kirby unlock the secrets behind roller coasters; the physics of extreme rides; thrill-ride design.

Episode 13
Kirby explores how to become a master falconer and meets some amazing birds of prey.

Episode 14
Charlie and Kirby explore caves in Virginia; spelunking and rappelling.

Episode 15
Charlie and Kirby are off to California to meet some of the most innovative minds on the planet: action sports athletes who have to train like athletes but think like engineers -- and Charlie and Kirby design and execute their own tricks.

Episode 16
A heist has been committed at HQ and now Charlie and Kirby are on the case!

Episode 17
Charlie and Kirby are heading off to NASA to unravel the weird world of ASTRONAUTS!