Mumfie's White Christmas & Other Adventures
A Day at the Seaside
S1 E5:
Napoleon wins a prize in a sandcastle competition and Mumfie and co decide they would like to try and build one too! They do but it learn that sandcastles get washed which they did not know. They are sad until the see that the tide has left a seashell and reminds them of the sandcastle they made and their seaside fun.