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.
Source: 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!
21-04-2024
CBeebies
Series 1: 20. Planet Wobble
Messy and friends rocket into space, but a mischievous Messy sends OKIDO's seasons into chaos! Time to fix this planet wobble.
20-04-2024
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: 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.
28-03-2024
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!
27-03-2024
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!
26-03-2024
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!
25-03-2024
CBeebies
Series 1: 19. Messy Power
Hey, who turned out the lights? Messy goes to OKIDO and finds out electricity can lead to music, lights and disco dancing!
24-03-2024
CBeebies
Series 1: 18. A Night At The Circuits
Messy joins his friends in OKIDO on a tiny adventure. They explore the electrical world of circuits to fix Zoe's communicator.
23-03-2024
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!
22-03-2024
CBeebies
Series 3: 14. Chattering Teeth
After accidentally causing a mini avalanche, Messy must help Lofty dig out the entrance to his cave so he can warm up again - brrr!
18-01-2024
CBeebies
Series 1: 11. Thirsty Robot
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.
25-02-2024
CBeebies
Series 3: 6. Monster Popcorn
After a button-pressing 'accident' at the Fab Food Factory, a giant popcorn is on the loose in OKIDO. Will Messy and Zoom be able to stop it before it flattens the city?
08-01-2024
CBeebies
Series 1: 45. Splish Splash Splosh
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!
09-09-2023
CBeebies
Series 1: 19. Messy Power
Hey, who turned out the lights? Messy goes to OKIDO and finds out electricity can lead to music, lights and disco dancing!
24-03-2024
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!
11-03-2024
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?
01-01-2024
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: 7. Bouncing Batwaves
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 th ...
14-02-2024
CBeebies
Series 2: 17. Messy Moves A Mountain
Rocky Mountain is feeling down in the dumps because he's never been to the beach, so Messy and his friends from OKIDO come up with a clever plan to cheer him up!
23-10-2022
CBeebies