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

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

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.

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

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

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

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

Invasive species are the new neighbors no one wants.

Spiders, ladybugs, mayflies and other arthropods.

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

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

Animal headgear; how antlers and horns are different.

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

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

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

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

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