While on a field trip to a fire station with Mrs. Gray's class, Curious George goes off on his own and is soon at the scene of a fire, where he finds a way to be helpful.
Curious George has fun feeding the sea gulls at the beach and then saves the day when he rescues a picnic basket and helps his friend overcome her fear of the water.
While visiting Mount Rushmore, Curious George gets into mischief when he takes an unplanned ride on a hot air balloon.
Curious George inadvertently causes a sensation at his first Halloween costume party.
Separated from the man in the yellow hat while at a Christmas tree farm, Curious George ends up at a hospital where he delights the child patients with his own brand of tree trimming.
When Curious George attends the first day of school as a special helper, he winds up creating a big mess.
When the man in the yellow hat tells George that he is planning a surprise, of course George is curious. Before long George figures it out that it is a birthday, but whose birthday? That's the surprise.
When Curious George bites into a wax apple and gets a loose tooth, he and the man in the yellow hat head to the dentist's office where George's curiosity goes into full swing.
George is excited to attend his first sleepover, but he doesn't anticipate how worried he will feel, and luckily, his friends are there to help him overcome his homesickness.