Cat Mother - Professor Wiseman entrusts George with Lucky, a tiny kitten too young to take care of herself. It's love at first sight for Lucky when she meets her first dog - Hundley, the proud lobby dachshund. But it's not such a fast friendship for Hundley, who sneezes when Lucky affectionately rubs against him. Hundley's allergic to cats! Lucky is inconsolable, having to stay away from her new friend, so George decides to build a substitute dog for Lucky. Can George use his sharp investigation and engineering skills to create an exact Hundley replica?Monkey Underground - When George stumbles across a gopher hole in the field near the country house, he suddenly finds himself inside a secret world of underground tunnels. Just below the mounds, Mama, Papa, and Junior Gopher have found a hiding place away from Mr. Gopher Getter - the man who plans to de-gopher the entire field. George warns his new pals about the looming trap. But only if George can dig super monkey-fast, and in the correct direction, will he be able to save his gopher friends from being removed from their home.