Exploring science questions. Messy goes to OKIDO to play with Zim and Zam's new discovery, but will he and his friends get back from this adventure in time?

Exploring science questions. Messy and friends go to the funfair. But when the shrinkasizer comes out, they end up in a giant mess with mini Mini!

Exploring science questions. Messy and friends enter a race in OKIDO and the various vehicles speed off! Who has the power to win the mystery prize?! 

Exploring science questions. Messy helps his friends find Zoe's lost communicator, which has ended up in the recycling. Luckily for Zoe, Zim is magnetic! 

Exploring science questions. When Mayor Oki's pumpkins aren't big enough Messy and his friends muck in and save the day! With the help of some wiggly worms... 

Exploring science questions. It's summer in OKIDO, but Messy wants to chill out in the snow, so he's lucky when the snowflakes come out to play! 

Exploring science questions. Messy and friends explore the forest with Tweedy. When her eyesight fails, Zim, Zam and Zoom lend a hand. 

Exploring science questions. Lofty's giant sneezes go a long way, so Messy and his friends must help to wash OKIDO clean of all the bad germs flying around! 

Messy, a monster, explores science questions that children ask about the world around us. When Messy and friends discover how levers work, farmyard animal bath time commences with a splash! 

Exploring science questions. Messy's tummy is rumbling and so is Lofty the giant's! Luckily the gang are hungry to solve this scientific mystery. 

Exploring science questions. When Messy and his friends go camping with a robot who can do anything, there is a giant-sized sock accident! 

Exploring science questions. Messy and friends must play the OKIDO concert. It's time for OKIDO to make some noise. 

Exploring science questions. Messy is thirsty for an adventure, so he goes to OKIDO to help his friends solve the mystery of the dried-up oasis. 

Exploring science questions. Messy and friends visit Fluff the Cloud's family, and things heat up in flash when her brother Nimby gets the lightnings. 

Exploring science questions. When Messy breaks the lighthouse, things get shady. But without a shadow of a doubt, he and his friends save the day! 

Exploring science questions. Messy and friends go on a rollercoaster adventure and figure out why Stan Tall is in such a spin! 

Exploring science questions. Messy goes to OKIDO and helps his friends mend Loopy Bridge, but Zim finds himself in a sticky situation along the way! 

Exploring science questions. During Mayor Oki's birthday picnic, Messy and friends get in trouble with Zam's shrinkasizer! Time to solve these OKIDO antics! 

Exploring science questions. Lofty has a broken finger, so Mustard goes in search of help. Messy and friends save the day and discover that bones are amazing. 

Exploring science questions. In the real world, Messy is bored of his dino-jigsaw. In OKIDO, his friends help him piece together a real prehistoric puzzle! 

Exploring science questions. Messy and his friends have animals to save and eruptions to stop in OKIDO when Vivienne Volcano gets a rumbly tummy. Oh dear! 

Messy gets to fly Mayor Oki's plane, but he crash lands it in a tree! Luckily, robots fly to the rescue.

When the Cloudship malfunctions and soars off into OKIDO, it's up to Messy and friends to return it to its natural habitat!

Messy and friends are left feeling blue when the vacubots suck all the colour out of OKIDO!

Messy thinks smelly socks and cheesy feet are brilliant! But when it's Lofty's feet that smell, it's a giant problem...

Messy and his friends are joined by a group of robots when they build a bridge. Stan Tall puts it to the test.

Exploring science questions. Messy can't wait for Christmas Day to arrive. He learns that everyone needs to get a good night's sleep. 

Exploring science questions. Messy and friends have a giant adventure. It's up to them to get Lofty's heart pumping and celebrate his birthday! 

Exploring science questions. Messy joins Zim and his friends on a mission inside a sandwich to photograph some atoms for Mayor Oki... Everyone say cheese! 

Exploring science questions. There's some funny 'buzzy-ness' going on in OKIDO. Where are all the bees? Messy and friends meet bee royalty and save the day! 

Exploring science questions. Messy has to save OKIDO from a falling comet before his bedtime! He sees that Mayor Oki still has his bath! 

Exploring science questions. Aliens on OKIDO telly? Skateboarders in the satellite?! Everything's upside down! It's up to Messy and his friends to fix it! 

Exploring science questions. Messy and friends rocket into space, but a mischievous Messy sends OKIDO's seasons into chaos! Time to fix this planet wobble. 

Exploring science questions. Hey, who turned out the lights? Messy goes to OKIDO and finds out electricity can lead to music, lights and disco dancing! 

Messy is exploring science questions. He joins his friends in OKIDO on an adventure. They explore the electrical world of circuits to fix Zoe's communicator. 

Exploring science questions. Messy's new friend is in a spot of hot bother! They go on an icy adventure to the South Pole, the desert and the mountains to help. 

Exploring science questions. Messy monster is having breakfast and sees little objects on the fridge. Why don't they fall off? He goes to OKIDO to find out! 

Messy, a monster, explores science questions that children ask about the world around us. Messy has a pair of yummy green socks waiting for him. He eats one, but where is the second? He visits OKIDO to find out. 

Messy, a monster, explores science questions that children ask about the world around us. Messy wants to know how his goldfish friend can stay underwater for so long. He goes to OKIDO to find out. 

Messy, a monster, explores science questions that children ask about the world around us. Messy finds a very dusty sock underneath his bed, but why does it make him teary? He goes to OKIDO to find out. 
 

Messy, a monster, explores science questions that children ask about the world around us. Messy monster is just about to take a bite out of his delicious green sock for breakfast, but before he can it gets blown away! He goes to OKIDO to find out why the wind is so blowy. 
 

Exploring science questions. Messy monster can't work out why his cart won't move. The wheels just won't go round like normal. Off he goes to OKIDO to find out why. 

Messy monster can't find his caterpillar friends. The garden bush where he left his friends is now covered with pretty butterflies. But where did the caterpillars go? He flutters off to OKIDO to find out.

It's a grey and rainy day in the real world and Messy can see something amazing outside his window. A beautiful arch of colours magically appears across the sky. He goes to OKIDO to find out more. 
 

Messy is brushing his teeth, but why must we use toothpaste and a toothbrush to get teeth clean? He goes to OKIDO to find out and discovers even mountains can get toothache!

Messy is having fun blowing loud notes through his musical horn instrument, but whatever noise Messy is making, someone or something is making it too. Messy goes in search of the copycat voice.

Exploring science questions. Captain Messy plays pirates with his toys in a bowl of water, but why does his rubber duck float instead of sink? 

Messy, a monster, explores science questions that children ask about the world around us. Messy loves balloons, whatever colour they are, but what is inside them to make them float up high into the sky?

Messy, a monster, explores science questions that children ask about the world around us. Someone pass Messy the tissues! He discovers that things just don't taste the same when he has a cold, especially his favourite chewy green socks - let's find out why.

Messy, a monster, explores science questions that children ask about the world around us. The sky is full of big grey rain clouds in the real world. Messy watches his sandcastle outside get washed away by the pouring rain. Why does it have to rain? He competes in the OKIDO flower competition and finds out why. 

Messy, a monster, explores science questions that children ask about the world around us. Messy the monster hears a chirping songbird outside his window, but he can't understand what the bird is saying. He goes to OKIDO to find out why all things can't just simply talk the same.

Messy, a monster, explores science questions that children ask about the world around us. Messy accidentally drops his superstacked jam sandwich, but why did it fall down and not up? He goes to OKIDO and rockets up to the moon to find out.