Ceri the cat and Deri the dog are best friends who do everything together and love to learn new things. When Ceri, Deri and Dai the Duck help Davey Dog with his shopping by using Dai's skateboard, they don't realise what chaos they have introduced! Another fun, educational adventure from Ceri and Deri looking at how young and old can help each other.

Mae Ceri'r Gath a Deri'r Ci yn ffrindiau gorau sy'n gwneud popeth gyda'i gilydd ac yn gwirioni ar ddysgu pethau newydd. Wedi i Ceri a Deri a Dai yr hwyaden helpu Defi'r ci gyda'i siopa gan ddefnyddio sglefrfwrdd Dai, mae pethau'n mynd o chwith yn sydyn iawn! Stori antur hwyliog arall yng nghwmni Ceri a Deri, yn dangos sut y gall pawb, hen ac ifanc, helpu'i gilydd.