Know to be man's best friends, cats and dogs have engaged in a fierce and merciless battle. Now, Mr. Tinkles, a ruthless cat, is plotting intensively to achieve nothing less than world domination. His main target is Professor Brody. The professor is working on a medication that will rid people of their dog hair allergies. Mr. Tinkles strives to get to the substance and have it analyzed. He then means to have it altered so that all humans of the world...

When a puppy who is being trained as a police dog goes missing, third-grader Judy forms a detective agency to solve the mystery, imitating her literary heroine, Nancy Drew. Cuando un cachorro que está siendo entrenado como perro policía se pierde, Judy forma una agencia de detectives para resolver el misterio, imitando a su heroína literaria, Nancy Drew.

When an airplane pilot claims he can deliver mail and supplies faster than the sled-dog team, Balto and his pals rise to the challenge. What begins as a competition ends up as a search for the airplane pilot.