When Cody is left on the front step of the Petersons' house, Lizzie and Charles refuse to stop until they have found the perfect home for Cody.

This puppy is quite a handful. He doesn't listen, he's obsessed with his toy sheep, and he can't ride in the car without...um...getting sick. Has Lizzie met her match, or will she be able to train this pugnacious pug?

Charles and Lizzie Peterson love puppies. Their family fosters these young dogs, giving them love and proper care, until they can find the perfect forever home. When Lizzie goes up to the mountains with her best friend, Maria, the girls think that they're going to get a break from their dog-walking business. But then Zipper shows up and Lizzie can't resist helping this adorable pup!

Charles and Lizzie Peterson love puppies. Their family fosters these young dogs, giving them love and proper care, until they can find the perfect forever home. When Charles offers to foster Molly he thinks that she is a very sweet puppy. But then Charles finds out that she is a Rottweiler. He's never been scared of a foster dog before. Can he overcome his fear and find this gentle pup a home?

Charles and his shy new friend David are camping out in the backyard when a big storm blows in. They make a dash for the house-but not before Charles sees a pair of eyes glowing in the night. Was that a puppy out there, all alone in the storm? The next day, Charles and David find the stray, injured mixed-breed puppy, win his trust, and get him to the vet. He's very sick, and the vet is not sure she can save him. Will this Benji look-alike be lucky...

Charles needs an idea for his science project fast! But when the Petersons take in Roxy, a Cavalier King Charles spaniel and Chihuahua mix with an injured leg, Charles has an idea. Can Charles train this new pup using the scientific method and help her find a new home?

Charles and his family are visiting relatives in the country when a stranger drops off a puppy. Mocha, a Bernese mountain dog, was running around on the highway without a leash or tags. Now this adventurous pup needs a place to live.

Lizzie is excited for her trip to Aunt Amanda's sleepaway doggy training camp. But when Donut, a German shepard-Lab mix, is in danger of being left behind by her family, Lizzie will use her new skills to show the pup is well-trained enough for their new home.

At Loon Lake Park, Charles and his Cub Scout friends are told that a dog has been abandoned in the parking lot. Louie, a not-so-small Newfoundland puppy, is quickly taken in and cared for by the group. Can Charles and his friends find Louie a perfect, and roomy, forever home?

Charles and his family foster Miki, a Bichon Frise puppy whose former owner taught her to dance.