Monkey has a big box, which he tells Cake has a cat inside, but only when the box is closed; Cake suggest that maybe it is a dinosaur instead, and the two friends puzzle over how they can solve the problem of finding out what is in the box, if it is always empty when opened.

Mr. Monkey is invited to visit a school to perform a trick he just learned, but nothing goes as planned.

Curious George goes to great lengths to try and be tall enough to ride a roller coaster.

"Otto the robot and his friends contend with a storm"--

Yasmin's class is going on a field trip to the zoo, and Yasmin is thrilled when she is chosen to help feed the monkeys; but when she trips and spills their food both she and the monkeys are upset--until she remembers that she has fruit in her lunch bag to share with her new "friends.".

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.

At the opening of a new toy store, Curious George makes a mess and gets into trouble, but the owner soon sees that things aren't as bad as they appear.

Curious George is invited to a pizza party and the guests are allowed to make their own pizza. Can the party survive George's mess?

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.

Monkey is upset because he has lost a tooth, so Cake tries to make him feel better by telling him about the Tooth Fairy--but Monkey just wants his tooth named Kevin.