Tuck, a little pig, doesn't want his younger sister, Bunny, to mess up the haunted house he's building in their garage, but he doesn't realize that her help could lead to a really good scare.
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.
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.