Messy turns off the lights in his bedroom to marvel at the glowing stars on the ceiling. But why do they only glow in the dark and not when the light is on? Messy goes to Okido to find out. Messy, Zoe, Felix and Zoom go on a science adventure to the heart of Mystery Mountain to find a glowing light that never goes out. They turn off their torches and see that the walls are glowing! Zoe calls Zam and he explains that the walls glow because of particles called phosphors. Phosphors absorb and store light and release it later. This is called ‘phosphorescence’. Back home Messy understands why the stars glow at night.
Messy is having fun making his voice super loud by shouting through a paper cone. But, how does it work? Messy travels to Okido to find out. Messy, Felix and Zoe watch Geoffrey on TV presenting his amazing cake on Mayor Oki’s Today program, but there is a disagreement when Geoffrey says he would be a better Mayor. It is decided there should be an election! Mayor Oki and Geoffrey are shouting their campaign promises to the crowd, but it’s difficult to hear with the shouting getting louder. Felix suggests that they should talk to people to find out how they can make Okido better. Instead, they decide to shout louder by using cones to amplify their voices. They resolve their differences and understand that in an election it’s not about how loud you are but about listening to people.
Messy can hear all sorts of things thanks to his super-hearing! But, how do his ears hear? Messy travels to Okido to find out. Messy, Zoe and Felix go on an adventure to the mountains to see Snowden. Once they get there, they realise Snowden can’t seem to hear them because he’s lost his pinecone ears! He’s supposed to be skating in the Okido Ice Extravaganza that night – disaster! Zoe calls for Zim, Zam and Zoom for help. But how do ears hear? How do they ‘catch’ sound? Zim explains that sound begins as vibration and these vibrations travel through the air to your ears. Now Messy knows that all ears are shaped to catch vibrations and designed inside to turn the vibrations into messages to send to the brain.
A Touch of Sock
Messy is trying to decide which is his favourite sock - the woollen sock or the smooth sock? He can’t decide! But why do things feel different? Messy heads off to Okido to find out. Messy finds Zoe and Felix in their garden, with Stan Tall, building a snowman. Messy wants to join in but Zoe and Felix want to go inside for a bit first and warm up, they’re freezing! But Stan isn’t wearing any shoes and he doesn’t feel cold at all. Why’s that? Zim and Zam explain that it’s because Stan is a robot. Robots don’t have any nerve endings. Nerves send messages to the brain and tell it what we have touched and how to react. Messy understands that touch is a sense and it’s as important as hearing or seeing.
Messy Has a Hoot
Messy is about to go to sleep when he hears animal noises outside his window. Why aren’t they sleeping? Messy travels to Okido to find out. Messy finds Zoe, Felix and Camperbot getting ready to go camping in Okido forest with Zim, Zam and Zoom. They arrive to find Zam there with her new tent set up. It seems a little small but when they enter, they realize that it’s enormous inside! Great invention, Zam! Messy, Zoe and Felix head to their tent to fall asleep when Messy is spooked from hearing noises in the darkness. Zoe and Felix start getting scared, so they all go and see Zim, Zam and Zoom. They explain that the noises are from nocturnal animals and that ‘nocturnal’ means that they sleep during the day and are awake at night. That's why Messy hears some animals at night!
Messy is in the kitchen getting a snack. He is drawn in by a small dish of sparkly granules only to discover that it’s salt - bleagh! But where does salt come from? Messy heads off to Okido to find out. He meets Zoe and Felix who invite him to join them in their trip to the seaside to play and see a very famous artist who is coming to Okido. The Mayor announces that the artist is Zinnie and she will be creating a piece of art all about the sea. The Mayor wants it to be the most sparkly, the most shiny, the most sea-est of seas ever. Zoe suggests that they use sand instead but after Zinnie tries again they realise that it’s not sparkly enough. What can they use? How about sea salt crystals? But how are they made?
Journey to Socktropolis
Messy is looking at a map, tracing out the wiggly lines and funny little shapes he finds on it. But what do the symbols mean? Messy goes to Okido to find out. Messy finds his friends pretending to be explorers and are trying to find their way to the park using Zam's new invention 'The Zonal Area Mapping and Navigation Device' (Zam-Nav for short). The gang adventure to Socktropolis, where all the lost socks end up! As they explore the new territory, they look out for landmarks they can add to the map to make it easier to follow: a waterfall, a cave and a boulder so they don't get lost. As they near completion of the missing part of the map, Messy picks up the scent of...Socks! Everywhere! It's Socktropolis! Messy can't believe his luck, he jumps around in his element!
Messy is relaxing outside when he sees a flock of birds in the sky all flying away together - he wonders where they’re going? Messy goes to Okido to find out. Messy drives Zoe and Felix to the beach in Okidoodle. They decide to build a big sand castle, but when they begin digging they find some curious looking eggs. They hatch and a few little creatures emerge and make their way to the ocean. Zim explains the hatchlings are turtles. Adult turtles travel across the sea to the beaches where they were born to lay their eggs in the sand. They make the same journey every year and this process is called MIGRATION. So that’s what the baby turtles are doing - migrating! It's not just turtles who migrate - mammals, fish, reptiles, amphibians, insects and birds do too.
The Sun in a Bucket
It's a lovely morning in the garden with blue sky, birds singing and the sun shining brightly - but as Messy snuggles down for a nap, it suddenly goes very dark and quiet. What's happened to the sun? Messy goes to Okido to find out! Messy finds Zoe and Felix hurrying out of their house on their way to meet Zim and Zam. According to Zim, something very exciting and unusual is about to happen, so the gang jump into Okidoodle and head off to investigate. When they arrive Zam reveals that they are waiting for an eclipse! They explain that there are rare occasions during the Moon’s orbit of the Earth when the Earth, Moon and Sun line up so perfectly that the Earth is briefly in the Moon’s shadow, causing everything to go dark.
Messy is sliding around on the carpet in the playroom when he steadies himself on a metal chair and gets a tickly zap when he touches it. Why did that happen? Messy goes to Okido to find out. Messy finds Zoe and Felix on their way to try out a new slide in the play-park. Messy slides down the huge slide first and when he gets to the bottom his fur is all stuck up - then a balloon sticks to him and won't get off! When Felix grabs the balloon there's another electric shock and Messy's fur goes back to normal - what’s going on? Zoe calls Zim, Zam and Zoom for help and the gang head to the Cloudship Laboratory to find out more. Zim and Zam explain that the shock is due to a specific type of electricity called 'static' electricity - so-called because it stays in one place.
Nimby Goes to Cloud Club
Messy is in the garden when icy droplets start to fall from the sky. Why is it raining cold pebbles in the summer? Messy heads off to Okido to find out. Messy meets Zoe, Felix and Fluffy the cloud, who tells them that Nimby is doing his first Cloud Club badge today. Fluff explains that Nimby will be competing for his Cloud Safety badge at Rocky Mountain. When Messy and his friends arrive at Zim, Zam and Zoom’s tower they see big round white balls on the ground. Zim explains that these are ‘hailstones’, which is what happens when rain freezes in the air. That explains the mysterious puddles! They are hailstones that have landed on the ground and melted! But who made them? Fluff explains that Nimby gets the hailstones when he's nervous, so he must be nervous about his Cloud Club Badge!
A Touch of the Fogs
Messy is excited to spend the day in the sunshine, but why can’t he see anything when he looks out of the window? Messy travels to Okido to find out. Messy joins Zoe and Felix for a boat trip to Vivienne Volcano’s Island with Zim, Zam and Zoom to see the yearly Dolphin Dance. The gang notice that it's REALLY cold out on the ocean, but Zam reassures them it’ll be warmer when they get to the island. The gang get lost in a thick fog and realise that Foggy has misted the island. After learning that fog is caused by invisible water vapour in the air meeting something cold, the gang makes a plan to warm Foggy up so he can hold more water and clear the air again. Everybody is wondering how they can find more heat, when Vivienne announces that she's a VOLCANO who can create loads of heat!
Geoffrey Kneads a Hand
Messy is woken by the delicious smell of freshly baked bread! But how do those sticky dough balls turn into fluffy buns? Messy travels to Okido to find out! The gang head to Geoffrey’s Café to try his new sandwiches. Geoffrey runs out of bread so Messy and friends offer to help make more. Zim and Zam explain that the recipe includes a substance called yeast, which makes the dough all fluffy and light. Messy is in charge of adding the yeast to the mixture and decides to help speed things up by adding more yeast than the recipe recommends. The dough mixture rises at an alarming rate and bursts out of the café and goes on a rampage around Okido City! The gang realise the dough will keep on expanding until the yeast stops reacting - but Zoe remembers that salt stops the yeast from working!
A Mayor Too Far
Messy is pulling silly monster faces in the mirror when he wonders…how did he get his blue fur? And his tail? And all the things that make him who he is? Messy travels to Okido to find out. He finds Zoe and Felix hiding in their garden, which has hundreds of new flowers thanks to Zam’s new invention - a machine that copies living things! They are all impressed by Zam’s ‘Gene Machine’ which can make a copy of any living thing by mapping its genes. Zim, Zam and Zoom explain that genes are like tiny secret instructions that are inside every living creature, telling them how to grow, what kind of creature they will be, how they will look - everything that makes them unique.
Blue Skies Ahead
Messy is in his garden on a beautiful day wondering why the sky is blue. Messy travels to Okido to find out. Messy finds his friends Zoe and Felix admiring the extraordinary red sunset. But hang on, it’s not bedtime! Zim, Zam and Zoom arrive – they’re trying to work out why the sky’s so red too! They all decide to take a trip in the Okido rocket to find out what’s going on right up in the sky. They notice that the sea is red – the sea is reflecting Okido’s red sky! Zam’s measuring equipment reveals that the sky is so red because Okido’s atmosphere is too thick. Zim explains that the atmosphere is a layer of gas that surrounds the planet. He explains how the colour of light changes when the sun shines through the atmosphere, going from red to blue depending on how much atmosphere there is.
Messy’s favourite breakfast is socks on toast with honey. But how is honey made? Messy travels to Okido to find out. The friends whizz to Geoffrey’s cafe in Okidoodle, past a poster of Mayor Oki advertising his new scent. The Mayor declares it’s the season’s must-have! Everyone likes it so much they are spraying all the flowers with it! But Geoffrey and the shop have run out of honey! Zam explains they have to go to the beehive if they want to find out what’s going on because bees make honey by collecting nectar from flowers. At the hive they meet Buzzy Bot who explains that there’s no honey left! The Queen Bee arrives and tells them that they’re not making any more honey! Disaster! If the bees won’t make honey, they won’t pollinate the flowers, which means there won’t be any more flowers.
Messy Moves a Mountain
Messy’s inspecting his rock collection in the garden. He wonders where the biggest rock ever could be found. Messy travels to Okido to find out. He meets Zoe and Felix in their garden. Felix has got his box of treasures out. Messy loves Felix’s special smooth pebble and when Felix tells him he found it at Rocky Mountain, Messy insists they all go there to search for more! They arrive to find Rocky really miserable because he can see the beach but he knows he’ll never visit it. Messy tries to move Rocky so he can get to the beach, but Rocky’s too heavy! Zim explains how mountains are formed and how sand is made from eroded mountains. The friends realise that they definitely won’t be able to take Rocky to the beach, but they might be able to bring the beach to Rocky!
Messy is making a sandwich made from lots of vegetables and a green sock! But where do vegetables come from? When you need to know, go to Okido!. Messy and friends visit Lofty who’s planning a Giant birthday party. But Lofty has forgotten to get the carrots for the carrot cake. They go and visit Farmer Fuddle to see if he has any, but they aren’t ready to pick yet. Zam suggests they use her new invention the ‘Growbot’ which speeds up farming and can produce giant carrots. But what is farming? Zim explains that the process of farming is how farmers grow vegetables and fruit. There are giant carrots appearing all over Okido! Zim explains that if the wild places get covered in fields of carrots, the wild plants won’t grow and all the wild animals, birds and insects will find life very hard.
Messy is having fun chasing and popping some bubbles. But what is it that makes them so light and floaty? Off he goes to Okido to find out. Messy, Zoe and Felix go and see Zam’s secret new invention, which is a bubble machine called the Zam-tronic Super-Strong Bubble-Blower. On closer inspection the gang discover the bubbles are extremely tough and you’d need a pair of monster claws to pop one of these! During a game of bubble football Messy kicks a bubble straight into the lever on the machine, accidentally changing the setting to mega-bubble-mode. Uh-oh! These bubbles are so big and strong that they scoop up any bystanders and transport them away - as the residents of Okido soon discover when they find themselves floating all over the City!
Messy is watching fireworks in the night sky when he wonders, "Why do you see the sparkly firework before you hear the bang?" Messy goes to Okido to find out. Messy and friends go on an adventure to the desert to see Zam and Maker Mechanic’s latest invention - the RoboCar. Messy is very impressed by the new voice-activated RoboCar, convincing Okidoodle that he’s been replaced by a newer model. Messy decides to race her to find out how fast she can go! Messy wins the race but then the Maker Mechanic reveals that the RoboCar can go even faster when her Supersonic Speed is activated! When RoboCar speeds off, the gang hear two loud bangs, known as a sonic boom, and indicates that the RoboCar is moving faster than the speed of sound!
Messy is pleased with himself after moving a large box and shows off how strong and bendy he is. But what makes him so strong and bendy? When you need to know, go to Okido. Messy finds Zoe and Felix practicing for the Oki-lympics. When they arrive at the games they find Zim wearing some strange pants! These are no ordinary pants, these are Zam’s latest invention: RoboPants. They have been designed to help the wearer move really fast. Zim wins all the races he enters, much to Messy’s chagrin. However the success goes to Zim’s head and he cuts short a pit-stop to check the RoboPants settings. When the RoboPants start overheating, Zim races out of control. Who needs fancy pants to win races when you can use your own muscles? They help you do all sorts of things…even sit down!
Messy Mega Power
Messy spots a funny toy owl on his window-sill that seems to be moving around without the aid of a battery or an electric socket. So how is it working then? Messy goes to Okido to find out. The gang zoom off to watch their favourite band, the Oki-dokis, rehearse for a concert they are doing on live TV. During the sound check there’s a power failure which threatens to cancel the concert. The gang head to the local wind turbine where they meet Zim, Zam and Zoom, who explain that lots of extra electricity is needed to power a concert and all the people watching it on TV. They have ordered some solar panels to help generate the extra electricity. Zim and Zam explain that solar energy is generated by power from the sun, which is soaked up by special panels that are left to charge in sunlight.
Messy's Pixel Power
Messy is watching his favourite cartoon, Flibbles The Frog, when he wonders: how does Flibbles get onto the TV screen? Off he goes to Okido to find out. Messy joins Zoe and Felix to watch Zam and her new invention on Mayor Oki’s TV show, Okido Today. Zam’s Zap Zipper transports objects from one place to another, which she demonstrates by zapping a sandwich onto the TV screen. “Pffff, I can move a sandwich just as quickly” reckons Mayor Oki, but when he tries to grab the sandwich from Messy to demonstrate a struggle ensues, and the Mayor ends up getting Zap Zipped onto the TV screen himself! nce inside the TV he is spirited away by the pixels who make up the pictures on the screen, so Messy, Zoe and Felix Zap Zip themselves into the TV to find him.
Messy is having a lovely time sniffing the flowers in his garden when he suddenly sneezes. What’s made his nose go all tickly prickly? Messy goes to Okido to find out. Messy finds a very sleepy Zoe and Felix in their house, who tell him they were kept awake all night by a strange noise. They decide to go and investigate. The noise leads them to the top of the mountains and their giant friends, Lofty and Minnie. Minnie’s nose is red and runny, and it’s making a very funny noise. Poor Minnie says she isn’t feeling well, she can’t stop sneezing and every time she breathes she makes a funny noise. Minnie tells Zam it started when she gave her mum a bunch of flowers, so it must be an allergic reaction to the pollen in the flowers. An allergic reaction - what’s that? Messy wonders.
The Gloria Express
Whilst hunting for a sock in his garden, Messy is startled by a brown leaf falling to the ground. What’s it doing on the ground, and why isn’t it green? Messy travels to Okido to find out. Messy and friends go to the train station to see the unveiling of Mayor Oki’s new train, ‘The Gloria Express’. Messy asks if they can ride the train with Mayor Oki who is on way to see his mother and is already running late. Their journey is interrupted by some robots clearing leaves from the tracks, delaying the Mayor’s rendezvous with his mother, who phones him, furious at being kept waiting. Zim explains that leaves on the line can be squashed into a fine paste by the train’s wheels, which make the tracks too slippery for the brakes to work.
Zoom Has a Dream
Messy wakes up from a dream about a wheelbarrow full of socks and wonder, what are dreams? When you need to know, go to Okido! Messy, Zoe and Felix go to see Zam’s new invention - a machine that can show people’s dreams! They all excitedly volunteer to test out the machine and Zam decides Zoom should go first. Zam hypnotizes Zoom with a pocket watch, and he quickly nods off. Soon enough Zoom starts dreaming, so everyone gathers around the lab screen to watch. He dreams about various things he’s been up to; visiting Farmer Fuddle’s bees and helping the Maker Mechanic fix a robot. Messy accidentally breaks off the dream dial sending Zoom towards a bad dream. Zoe has an idea to use the empty chairs in the Dream Machine to go into Zoom’s dream and guide him away from the bad dream.