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.

Messy hears a bird singing outside but doesn't know what he's trying to say. Maybe he'll find the answer in OKIDO.

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 wonders why his tasty green socks don't taste the same when he has a cold

Messy, Zoe and Felix travel to the land of balloons.

Why do some things float and some things sink? Pirate Captain Messy will find out in OKIDO.

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

Why do we need to brush our teeth? When you need to now go to OKIDO.

Messy finds out about rainbows.

Messy wants to know where his caterpillar friends went.

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 is just about to take a bite out of his delicious green sock for breakfast but before he can... WHOOOSH! His sock has blown away! He goes to OKIDO to find out why the wind is so blowy!

Messy finds a very dusty sock underneath his bed but why does it make him teary? He goes to OKIDO to find out.

Messy wants to know how his goldfish friend can stay underwater for so long? He goes to OKIDO to find out.

Messy has a pair of yummy green socks waiting for him. He eats one but where is the second? In OKIDO he finds out.

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's new friend is in a spot of hot bother. They go on an icy adventure to the south pole, the desert and mountains to help.

Messy can't wait for Christmas Day to arrive. He learns that everyone needs to get a good night's sleep, even Mother Christmas.

Messy joins his friends in OKIDO on a tiny adventure. They explore the electrical world of circuits to fix Zoe's communicator.

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

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

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

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

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

Messy, Zoe and Felix have to get Lofty's heart pumping.

Messy and his friends are joined by a group of robots to build a bridge to reach Billy Barnacle. Stan tall puts it to the test.

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

Messy and friends are left feeling blue when the vacubots suck all the colour out of OKIDO! So they better get red-dy to fix it!

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

Messy gets to fly Mayor Oki's plane, but this is no easy jet and he crash lands in a tree... Luckily, robots fly to the rescue!

Messy and his friends have animals to save and eruptions to stop in OKIDO when Vivienne Volcano gets a rumbly tummy! Oh deary!

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

Mustard goes in search for help - Lofty has a broken finger! Messy and friends save the day and discover bones are amazing.

It's Mayor Oki's birthday picnic. Messy and friends get in trouble with Zam's shrinkasizer! Time to solve these OKIDO ant-ics!

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

Messy and friends go on a rollercoaster adventure and figure out why Stan tall is in such a spin!

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

Messy and friends visits Fluff the cloud's family, and things heat up in flash when her brother Nimby gets the lightnings!

Messy's thirsty for an adventure, so he goes to OKIDO to help his friends solve the mystery of the dried up Oasis!

Messy and friends must play the OKIDO concert! Music is instrumental, but then it's time for OKIDO to make some noise!

When Messy and his friends go camping with a robot who can do anything, there is a giant sized socksident!

Messy's tummy is rumbling and so is Lofty the giant's! Luckily the gang are hungry to solve this scientific mystery though…

When Messy and friends discover how to catapult heavy things with a lever, farmyard animal bathtime commences with a splash!

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 and friends search explore the forest with Tweedy, but when her eyesight fails luckily Zim, Zam and Zoom can lens a hand!

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!

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…

Messy helps his friends find Zoe's lost communicator, which has ended up in the recycling but luckily, Zim is magnetic!

Messy and friends enter a race in OKIDO and the various vehicles speed off! But who has the power to win the mystery prize?

Messy and friends go to the funfair, but when the shrinkasizer comes out, they end up in a giant mess with mini Mini!

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…