Pat and the other parents decide to brighten up the school by painting a rainbow on the wall. Meera also teaches them a song to remember the colours of the rainbow.
The children are playing at being space explorers, but fall out with Sara because she's being bossy again. Meanwhile, Jess has gotten himself stuck up a tree. How can Ted's new invention, a litter blower help?
Pat comes across his beloved old teddy, Billy, and lets Julian take it to school. Unfortunately, Julian swaps the bear with Charlie and it keeps changing hands all day. Will it ever find its way back to Pat?