Rudd, Ola, Yann, Gann, Bell, Plum and Plim are the Rainbow children. They live in a white castle in the clouds.
On a journey to Earth, down the rainbow, protected by Cirrus Cloud, they make friends with two children. This is the story of the adventures they have together. They even get to meet Santa Claus!
Enjoy the colourful rainbow venture with the band of friends and their alien chums.