Messy, a monster, explores science questions that children ask about the world around us. Messy has a pair of yummy green socks waiting for him. He eats one, but where is the second? He visits OKIDO to find out.Source: 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.
Series 1: 33. Fossil Puzzle
In the real world, Messy is bored of his dino-jigsaw! In OKIDO, his friends help him piece together a real prehistoric puzzle!
Series 1: 32. Vivienne Blows Her Top
Messy and his friends have animals to save and eruptions to stop in OKIDO when Vivienne Volcano gets a rumbly tummy! Oh dear!
Series 1: 31. Mayor Force One
Messy gets to fly Mayor Oki's plane, but he crash-lands it in a tree! Luckily, robots fly to the rescue.
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!
Series 1: 29. Colours
Messy and friends are left feeling blue when the vacubots suck all the colour out of OKIDO!
Series 1: 28. Cheesy Feet
Messy thinks smelly socks and cheesy feet are brilliant! But when it's Lofty's feet that smell, it's a giant problem...
Series 1: 27. Building Bridges
Messy and his friends are joined by a group of robots when they build a bridge. Stan Tall puts it to the test.
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!
Series 1: 24. Tiny Sandwiches
Messy joins Zim and his friends on a mission inside a sandwich to photograph some atoms for Mayor Oki... Everyone say cheese!
Series 2: 13. Geoffrey Kneads A Hand
A spot of baking with Geoffrey goes awry when Messy gets the quantities wrong. Will the friends escape from the giant dough spreading through OKIDO?
Series 2: 8. Messy Migration
When a little turtle gets stranded on the beach in OKIDO, Messy helps her rejoin her friends so they can begin their very important journey across the ocean.
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.
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.
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!
Series 2: 4. A Touch Of Sock
OKIDO's biggest robot, Stan Tall, has no sense of touch and longs to feel the snow and the wind on his face. Will Messy and his friends be able to help?
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!
Series 1: 42. A Sock Too Far
When Messy and his friends go camping with a robot who can do anything, there is a giant-sized socksident!