
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?
Source: CBeebies
Series 1: 23. Bee Story
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!
20-05-2025
CBeebies
Series 1: 26. A Messy Night Before Christmas
Messy can't wait for Christmas Day to arrive. He learns that everyone needs to get a good night's sleep, even Mother Christmas!
10-12-2024
CBeebies
Series 3: 1. Tummy Flutters
It's the OKIDO circus today, and Messy is worried about performing his triple flip. Will his friends be able to help him conquer his tummy flutters before the audience arrives?
11-08-2024
CBeebies
Series 3: 26. The Big Bang
Messy travels back to the start of the universe to find out where everything came from.
10-08-2024
CBeebies
Series 1: 39. A Case Of The Lightnings
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.
30-06-2024
CBeebies
Series 1: 38. Me And My Shadow
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!
29-06-2024
CBeebies
Series 1: 37. Dizzy
Exploring science questions. Messy and friends go on a rollercoaster adventure and figure out why Stan Tall is in such a spin!
23-06-2024
CBeebies
Series 1: 36. Spidermessy
Messy goes to OKIDO and helps his friends mend Loopy Bridge, but Zim finds himself in a sticky situation along the way!
22-06-2024
CBeebies
Series 1: 35. Messy Antics
During Mayor Oki's birthday picnic, Messy and friends get in trouble with Zam's shrinkasizer! Time to solve these OKIDO antics!
16-06-2024
CBeebies
Series 1: 34. Funny Bones
Lofty has a broken finger, so Mustard goes in search of help. Messy and friends save the day and discover that bones are amazing.
15-06-2024
CBeebies
Series 1: 13. Weepy
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 go ...
03-03-2024
CBeebies
Series 1: 21. Alien Telly
Aliens on OKIDO telly? Skateboarders in the satellite?! Everything's upside down! It's up to Messy and his friends to fix it!
28-04-2024
CBeebies
Series 2: 21. Muscly Messy
At the OKIDO Oki-lympics, everyone is joining in! A race between Messy with his super muscles and Zam with his amazing new robot pants results in some surprises.
12-11-2022
CBeebies
Series 1: 40. Okidoasis
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.
29-03-2024
CBeebies
Series 1: 8. Cavity Cave
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!
17-02-2024
CBeebies
Series 3: 12. Messy Needs A Fur Cut
When Messy accidentally sets Farmer Fuddle's sheep loose, he must help round them up in time for their annual wool shearing. But will Messy be brave enough to get a fur cut of h ...
16-01-2024
CBeebies
Series 1: 23. Bee Story
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!
20-05-2025
CBeebies
Series 1: 39. A Case Of The Lightnings
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.
30-06-2024
CBeebies
Series 1: 25. Big-hearted Messy
Messy and friends have a giant adventure. It's up to them to get Lofty's heart pumping and celebrate his birthday!
18-05-2024
CBeebies
Series 1: 30. Habitat
When the Cloudship malfunctions and soars off into OKIDO, it's up to Messy and friends to return it to its natural habitat!
01-06-2024
CBeebies