Curious George is so happy about the thank-you card he receives from his friend Betsy that he decides to send cards to all his friends who have shown kindness to him.
Curious George celebrates Halloween, but after he picks out the perfect pumpkin, finds a costume, and decorates the house he finds that he is not ready for the day to end.
While waiting for the man with the yellow hat to buy train tickets, Curious George causes trouble by mixing up numbers on the schedule, but he makes up for it when a little boy's toy rolls toward the tracks.