When chew toys start to disappear and doggie treats are missing from the schoolyard, the Barkley dogs are suspicious. Could it be Sweetcakes, the bully Doberman, playing her old tricks? Jack learns that the true culprit may have to do with an old legend of a ghost dog...

Toys and treats are disappearing from the schoolyard at Barkley's School for Dogs and Jack and his friends are determined to find out why.

The local vet is hanging around Barkley School, and the dogs aren't too thrilled. Blondie thinks that the doc is there to see Fred -- it's more than puppy love for those two humans! But when Tazz gets hurt, having a doctor nearby is the best thing for all the dogs at Barkley.

Floyd is forced to ear a big plastic collar after getting stitches, and Sweetcakes teases him unmercifully. Floyd is terribly depressed! Jack just can't stand by and let Floyd suffer, so he and his doggie sidekicks teach Sweetcakes a lesson.

The Barkley's School for Dogs will be marching in the town's 100th anniversary parade...and so will another neighborhood canine school, Howl's Dog City. Jack and his friends are set on outshining their rivals. But having fun and getting along beats competition, paws down!

Harry the Westie is tattletaling on the other dogs and getting them in trouble. Harry's behavior is getting out of hand, and soon his schoolmates are upset. Jack helps Harry learn a lesson about good and bad tattling.

A thrilling mystery set against a stark landscape and the inspiration of Nome's real-life dog hero, Balto. Twelve-year-old Tee has just moved to Nome, Alaska, with her writer father and sullen little brother, Jack. Jack isn't happy about the idea of living in the middle of nowhere, but Tee and her dog Henry are thrilled -- so much open space to run around and sniff! But on a walk near their new house, Henry spots something that has him seriously spooked. Tee sees a mysterious shadow, and it seems to be following them. Have they disturbed a restless spirit? And what other secrets might this dark place be holding?