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.
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!
14-04-2024
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.
13-04-2024
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 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 1: 47. Snowflakes
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!
16-09-2023
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!
15-03-2024
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: 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: 52. Tick Tock Messy
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?
01-10-2023
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
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 3: 15. Messy's Missing Treasure
Mayor Oki wants to dress to impress the visiting mayor by wearing a gemstone-encrusted chain. He needs Messy's help to work out how to make gemstones before she arrives.
19-01-2024
CBeebies
Series 2: 25. The Gloria Express
When leaves on the line cause havoc with OKIDO's railway, will the mayor be able to meet his mother Gloria and Lolly in time for lunch?
26-11-2022
CBeebies