Lost Leaf - S3.E46

Lau Lau asks De Li to look after her big yellow leaf, but then it blows away. De Li doesn't know what to do. When the cheebies arrive, they all help De Li look for the leaf, but it has disappeared. When De Li tells Lau Lau about losing her big yellow leaf, Lau Lau isn't cross at all. The cheebies see a yellow leaf flying in the breeze. They follow it and discover a large tree full of yellow leaves.