S2017 E1 • The World's Tallest Tree

Can you guess how tall the tallest tree is? Neither could we! Tag along with Jessi and Squeaks to learn all about the world’s tallest tree!

Première diffusion : 4 janvier 2017

S2017 E2 • Evergreen Detective!

Jessi and Squeaks just spent the day hiking and sketching evergreen trees in their field journals! A lot of evergreen trees look pretty similar, but Jessi knows some fun ways to tell them apart. Join us to find out how!

Première diffusion : 6 janvier 2017

S2017 E3 • Why Does the Moon Change?

Have you ever wondered why, some nights, the moon looks like a big, bright circle, and some nights it looks like a little sliver? Join Jessi and Squeaks to learn about how the moon's orbit changes the way we see it here on Earth!

Première diffusion : 10 janvier 2017

S2017 E4 • Make a Moon Puzzle!

Have you noticed that the moon looks different over the course of the month? Follow along with this fun activity to help you remember the different phases of the moon!

Première diffusion : 12 janvier 2017

S2017 E5 • Remember to Brush Your...Egg?

We all know that brushing our teeth is important but now with this experiment you can actually SEE how brushing keeps your teeth clean!

Première diffusion : 17 janvier 2017

S2017 E6 • Save the Snowman!

Squeaks built Jessi a snowman! But, now Jessi and Squeaks need to save it from melting!

Première diffusion : 19 janvier 2017

S2017 E7 • Alien Egg Experiment!

Join Jessi and Squeaks to see how you can make your very own alien egg!

Première diffusion : 24 janvier 2017

S2017 E8 • Endangered Animals!

What's something pandas, orangutans, rhinos, and gorillas have in common? They're all endangered animals. Join Jessi and Squeaks to learn how an animal becomes endangered and what we can do to help them!

Première diffusion : 26 janvier 2017

S2017 E9 • What Happened to Our Plants?

A few weeks ago we started an experiment where we planted some seeds to see how they would grow! Today we get to check out our results!

Première diffusion : 31 janvier 2017

S2017 E10 • Build a Tiny Plant World!

Jessi and Squeaks just learned about terrariums, and now they want to make one for themselves! Join them to learn all about these tiny gardens in a bottle and how you can make one of your own!

Première diffusion : 2 février 2017

S2017 E11 • How High Can You Stack?

Jessi and Squeaks love to build things, and they love to learn how to make the things they build even better! Join them today to learn how engineering can help make anything, from a tower of cups to a giant sky scraper, more stable!

Première diffusion : 7 février 2017

S2017 E12 • Happy Birthday, Charles Darwin!

We’re having a birthday party for one of the world’s most famous scientists, Charles Darwin!!!

Première diffusion : 9 février 2017

S2017 E13 • 5 Amazing Animals!

It’s Valentine’s Day, and Jessi and Squeaks got Valentines from their awesome animal friends all over the world! Hang out with them as they read some silly Valentine poems and learn about the animals that sent them!

Première diffusion : 14 février 2017

S2017 E14 • Look Inside a Flower!

Squeaks has a Valentine's surprise for Jessi: a bouquet of flowers! Flowers are beautiful and they smell great, but did you know that flowers also do a very important job?

Première diffusion : 16 février 2017

S2017 E15 • Meet the American Bison!

Bison are magnificent! Join Jessi and Squeaks and learn all about America's National Mammal.

Première diffusion : 21 février 2017

S2017 E16 • Jessi Has a Problem!

Do you like using your imagination to build things that solve problems? If you do, you're thinking like an engineer! Learn how engineers identify and solve problems, then help Jessi with a big problem of her own!

Première diffusion : 23 février 2017

S2017 E17 • Why Do We Get Sick?

Getting a cold or flu can be sort of scary. But sometimes the more you know about something, the less scary it is!

Première diffusion : 28 février 2017

S2017 E18 • Mary Anning: Fossil Hunter

Everybody loves dinosaurs, and we wouldn't know nearly as much as we do if it weren't for a person named Mary Anning.

Première diffusion : 7 mars 2017

S2017 E19 • Jessi and Squeaks Build a Better Back-Scratcher

When we last left Jessi and Squeaks, Jessi had a big problem: her back was really itchy! Today we'll share our designs for back scratchers and build something to help her out!

Première diffusion : 9 mars 2017

S2017 E20 • The Bug Hunting Game!

There are some animals with special adaptations that help them blend in to the places they live! See for yourself how this works as you take on the role of a hungry bird looking for tasty bugs!

Première diffusion : 14 mars 2017

S2017 E21 • Happy Equinox!

It's spring where Jessi and Squeaks live, and with the spring comes a really cool part of our planet's journey around the sun: the spring equinox!

Première diffusion : 20 mars 2017

S2017 E22 • What's Inside a Bean?

Have you ever wondered how a tiny little seed grows into a plant? Well, there's a special kind of seed, one you've probably eaten before, that's big enough for you to open up and see how it works: a bean!

Première diffusion : 23 mars 2017

S2017 E23 • Be a Field Scientist!

If you're anything like us, you're always investigating and asking questions about the world around you! Keeping a field journal is a great way to keep track of all the ideas and observations you have every day!

Première diffusion : 28 mars 2017

S2017 E24 • It's Alive!

You're alive! And so are all the plants in your garden, the birds in the sky, and the fish in the ocean! But how do we know they're alive? What does it even mean to be alive in the first place!? Join Jessi and Squeaks to learn how scientists decide if something is living or non-living!

Première diffusion : 30 mars 2017

S2017 E25 • Why Do Birds Sing?

It's spring where Jessi and Squeaks lives, and that means the air is filled with the sounds of birds singing! But have you ever wondered why birds sing and who they're signing to?

Première diffusion : 4 avril 2017

S2017 E26 • Why Do We Get Dizzy?

Have you ever been on a ride on the playground that made you really dizzy, like a merry-go-round? Have you ever wondered where that weird, spinning sensation comes from? Jessi and Squeaks have the answer!

Première diffusion : 6 avril 2017

S2017 E27 • Save the Rhinos!

What has tough skin, a tiny tail, and a big horn on its nose? A rhino! Join Jessi and Squeaks and learn all about these super cool, super strong animals!

Première diffusion : 11 avril 2017

S2017 E28 • Let's Make Butter!

Jessi and Squeaks are having pancakes, but first they have to make a key ingredient: butter!

Première diffusion : 13 avril 2017

S2017 E29 • Happy Earth Day!

Join Jessi and Squeaks as they talk about some things you can do to make the earth a better place!

Première diffusion : 18 avril 2017

S2017 E30 • Amazing Snakes!

Snakes are super cool and super helpful, but people believe a lot of things about them that just aren't true. Join Jessi and Squeaks to learn what's true and what's false about these radical reptiles!

Première diffusion : 25 avril 2017

S2017 E31 • What's Inside These Rocks?

Jessi and Squeaks have some cool rocks. What do you think is inside them?

Première diffusion : 27 avril 2017

S2017 E32 • Do Fish Drink Water?

If you have a pet, you know how important it is to make sure that they have plenty of food and water... unless you own a fish! They need to be fed, of course, but do fish drink water?

Première diffusion : 2 mai 2017

S2017 E33 • Why Does Springtime Make Me Sneeze?

Are you sneezing more as it gets nicer outside? Jessi and Squeaks talk about allergies, and explain what your body is going through!

Première diffusion : 4 mai 2017

S2017 E34 • Make Your Own Ice Cream!

The weather is warming up where Jessi lives, which means its time for some cool treats! Join Jessi and Squeaks and learn how to whip up some tasty vanilla ice cream!

Première diffusion : 9 mai 2017

S2017 E35 • Why Do Zebras Have Stripes?

Jessi and Squeaks look into an animal mystery: Why do zebras have stripes?

Première diffusion : 11 mai 2017

S2017 E36 • Can Ketchup Clean a Penny?

Squeaks loves collecting shiny pennies, but sometimes he finds one that's sort of grimy and dull. Lucky for him, Jessi knows a really cool science trick to clean up those tarnished pennies!

Première diffusion : 16 mai 2017

S2017 E37 • What Causes Earthquakes?

Believe it or not, the ground you’re walking on is always on the move! Join Jessi and Squeaks to learn how this movement can sometimes lead to earthquakes!

Première diffusion : 19 mai 2017

S2017 E38 • Explore the Rainforest!

It's raining where Jessi and Squeaks live, so they decided to bust out some books and read up on a special kind of forest where it rains almost every day!

Première diffusion : 23 mai 2017

S2017 E39 • Build a Beehouse!

Jessi and Squeaks are busy working in their garden, and they'd like to share one trick that keeps their plants happy!

Première diffusion : 25 mai 2017

S2017 E40 • How Do Fish Breathe?

Jessi and Squeaks adopted a new fish! They have him all set up in a nice fish tank, but now they have a big question: how do fish breathe underwater?!

Première diffusion : 30 mai 2017

S2017 E41 • Spin a Wheel With Sunlight!

Jessi and Squeaks use the power of the sun to conduct a cool science experiment!

Première diffusion : 1 juin 2017

S2017 E42 • How Do Cuts Heal?

If you've ever had a little cut or scratch, you know it doesn't take long for it to heal! But do you know how different parts of your body work together to fix you up good as new when you're hurt?

Première diffusion : 6 juin 2017

S2017 E43 • Leave Poison Ivy Alone!

Jessi and Squeaks are ready to play outside, but there’s a unique plant they should be sure to avoid: poison ivy!

Première diffusion : 8 juin 2017

S2017 E44 • Amazing Ways to Live in the Desert!

Life in a desert can be tough, but the plants, animals, and people that live there have some special skills to help them survive!

Première diffusion : 13 juin 2017

S2017 E45 • Salmon Parents Are Amazing!

What swims in rivers and the ocean and is an awesome parent? Jessi and Squeaks talk about the amazing life cycle of salmon.

Première diffusion : 15 juin 2017

S2017 E46 • Why Do We Need Sleep?

Jessi stayed up too late, so she's feeling really tired. Luckily, she isn't too tired to tell you all about what happens when we sleep and why we feel so terrible when we don't get enough sleep!

Première diffusion : 20 juin 2017

S2017 E47 • Snails, Slugs, and Slime!

Jessi and Squeaks look at some amazing creatures that they found in their garden: snails and slugs!

Première diffusion : 22 juin 2017

S2017 E48 • Let's Explore Space!

It's a big day for Jessi and Squeaks because they've finally finished their brand new observatory! Join them as they try out their new telescope and take a look back at a compilation of everything we've learned about space so far!

Première diffusion : 27 juin 2017

S2017 E49 • 4 Reasons Cows are Awesome!

Did you know that there were over 200 types of cows? Join Jessi and Squeaks as they discuss some cool facts about these amazing animals.

Première diffusion : 29 juin 2017

S2017 E50 • What Happens If You Get a Splinter?

Ouch! Getting a splinter can really hurt, and sometimes having a splinter pulled out can hurt even worse! Jessi's here to tell you why it's important to get your splinters removed, and some tips to make it easier!

Première diffusion : 4 juillet 2017