PomPomPurin and Cinnamoroll invent a seesaw mill to pound peanuts using an old tyre, a log and some big mushrooms. When he bounces up and flies away, the inventive PomPomPurin must figure out a way to get back to his friends!
Hello Kitty and her friends put funny hats on their heads, but when the wind blows their hats away they suffer in the vegetable garden from the strong rays of the sun. That evening, they set to work to make sunglasses to protect themselves from the sun the next day.
A bulgy old bag hangs from the ceiling in PomPomPurin's house. When the gang throw apples at it, the bag bursts and biscuits shower down, which they use to build all sorts of things including a church and a train!
PomPomPurin makes badminton racquets with My Melody's tambour, using a sugar cube instead of a shuttlecock. When the sugar cube gets cracked, PomPomPurin grabs a heart-shaped biscuit from Hello Kitty's bow to replace it, and when the biscuit breaks, Hello Kitty plans the broken biscuit in the ground.
Cinnamoroll makes some cookies and meets the friends to cheer Hello Kitty up. They hatch a plan to become an orchestra, and after practicing all night, perform before Hello Kitty in the morning, but make lots of mistakes. Meanwhile, the heart-shaped biscuit pieces Hello Kitty planted, start to grow, and they call it The Tree of Wisdom.
Badtz-Maru, a penguin from Hawaii, moves into the Stump Village. When Cinnamoroll hold a party in his Café, the hungry Badtz-Maru sneaks in to try and steal some food, but is spotted by Hello Kitty and her friends.
It's time for the grape harvest, and the children put all the grapes into a huge wine press, which makes it look like a ball pool. The children put on their bathing suits and dive into the wine press to step on the grapes.
The children have all made cute animal masks, except for Badtz-Maru. One evening they all gather at Hello Kitty's house, wearing their masks when suddenly the door opens and in walks Badtz-Maru in a monster mask, scaring all the children!
Cinnamoroll invites his friends to a mean, but is very disappointed with them as there picky and won't eat broccoli, baby carrots or other vegetables he serves them. He decides to change their eating habits by inviting them to another meal on baking a huge loaf of bread with all the vegetables hidden inside it!
One day Cinnamoroll picks up some of the sweets lying under a huge candy tree in the forest and makes three sweet medals. He holds three competitions to award the medals to his friends, but when Badtz-Maru doesn't win on he shakes the tree to get some sweets, until lightning strikes the tree and buries Badzt-Maru inside a heap of sweets!
PomPomPurin dreams he is being attacked by the bad bird. Badtz-Maru uses an accordion like a pogo stick while Hello kitty struggles to cheer up My Melody. PomPomPurin designs a new scarecrow to frighten the mean bird away.
The children finish reaping the wheat and move it to a windmill in a truck, but the fan and the grinding machine inside don't work and the old windmill is about to fall down.
'The Biggest Pumpkin Contest' is held in Stump Village on Halloween day. Badtz-Maru wins and receives a pumpkin pie as a prize. The children go trick or treating in their costumes, and after receiving lots of sweets at Cinnamoroll's house, they are sprayed with shaving cream by naughty Batdz-Maru and PomPomPurin who take away their sweets!
The friends meet a frog called Keroppi who lives in a teepee, who splashes them with water making them catch colds. After a good night's rest they all feel much better and soon become friends with the frog.
