"Uncle Wiggily at the Seashore" is a lighthearted tale about Uncle Wiggily's trip to the seashore in search of his fortune. Encouraged by a grasshopper, he digs for buried pirate gold, but instead, he finds a well filling with water. A crab pinches his tail, demanding cheese, but a wave washes the crab away, saving Uncle Wiggily. The story emphasizes the value of adventure and resilience, showing that even without finding riches, the experience and escape from danger are rewarding.