George discovers the adventures that are waiting for him and his friends during the night.

The Man with the Yellow Hat and George are going on vacation, but their plane is delayed and there's a long wait ahead. The Amazing Balancing Zucchinis are in town, prompting George to try acrobatics. George and The Man with the Yellow Hat are having a sandcastle contest at the beach and George is determined to make the best castle ever. George meets a turtle and decides to bring his new friend home. George has his first underwater adventure and he...