Sickness

21m

Harrison is visited by a microbiologist who helps him take a close look at an invisible world and figure out how to stop viruses from hurting us. In the name of science, Harrison performs a top secret experiment at an elementary school to find out how quickly germs can spread. Viewers at home learn how to grow their own fungus.

All Animals Big and Small

21m

Harrison sets out to explore why it is that some animals evolve to be big, while others evolve to be small. He is visited by a miniature horse and its foal who help him find out why animals are bred to be different sizes. Viewers are encouraged to test their own ability to make themselves seem as big as possible!

Electricity

21m

A physicist visits Harrison to explain how electricity is generated, and teaches us how it can be conserved. Viewers can take part in a fun experiment to see electricity at work in their own bodies.

Language and Communication

21m

Harrison is visited by a very special guest - a parrot - and he tries to figure out if he can understand what it's saying! Meanwhile, viewers get to test out their ability to communicate with dogs. Harrison also discovers why humans speak so many different languages.

Tools

21m

An anthropologist and real-life expert in prehistoric tool-making teaches Harrison how to make Neanderthal knife blades and to paint like a "cave kid". Harrison invites kids at home to join him in making simple machines - a wedge, an inclined plane, and a lever - using nothing more than a sheet of paper.

Sound

21m

Harrison is joined by rapper and musician Kid Koala, a special guest canine, and opera singer Lindsay Michael. Individually, these experts help us find out about the delicate mechanisms that help us hear. The special guest canine helps Harrison figure out whether dog whistles really are silent, and Lindsay Michael tests out whether a person can actually shatter a crystal glass with their voice. Viewers at home find out if they have bat-like hearing!

Oceans

21m

Finding out how crucial the ocean is to our ecosystem, Harrison discovers that although monsters might get the attention, it's the little things that count. For example, a tiny creature called phytoplankton creates half of the oxygen that we breathe. Using potatoes, a marine biologist helps Harrison figure out how fish drink!

Hair

21m

In a search to learn about the origins of hair, Harrison finds out about the cultural implications of different hairstyles - from mohawks to baldness.

Best Of Finding Stuff Out

21m

The final show of the first season brings together highlights of the previous fifteen episodes. The most amazing experts, incredible experiments, and entertaining animals - and the funniest bloopers - all come together to help Harrison's first season go out with a big bang!

Structures

21m

Structures are things that we build, that make life easier, like a house or a bridge. Harrison finds out how animals have been building structures for millions of years.