One dozen goldendoodles take over a home and a pet pig's bed; a Westie chases after her wandering twin brother; Swiss mountain puppies find their stride.

A foursome of Neo-Mastiffs have big paws to fill if they're going to be be guard dogs like their Mom. A shy Chihuahua puppy learns that her tiny family have big hearts. And a litter of seven English Setters compete for first place.

Irish terriers meet their bothersome teenage brother. 8 Corgis help on the farm, and an Akita puppy finds her place among her brothers.

Spotted Bengal kittens are bowled over by a lumbering Newfoundland. 4 fluffy Norwegian Forest Cats dip their toes in the surf at their neighborhood beach, and, at a rescue home, 2 kittens find their way into the den mother's heart.

Catch up 1 year later with German Shepherd, French Bulldog and Mini Australian Shepherd puppies.

Poodles, Basset Hounds and Bull Terrier puppies are featured.

Catching up with litters of Portuguese water dog, Rhodesian ridge-back and dachshund puppies after one year.

In a litter of six Maine Coon kitties, only boy Maurice struggles to fit in with his sisters. A quiet kitten with a limp tries to find his voice in a litter of super-chatty Siamese cats. And a shy black kitten tries to befriend an older butterscotch tabby

Catching up with litters of Persian, Bengal and British shorthair kittens after one year.

A black-and-white kitten plays with its adopted brother, a baby skunk; an orange tabby kitten tries to befriend a canine housemate; a Savannah kitten seeks a playmate.

Four tiny Tibetan Spaniels - all boys - are born into a family of watchdogs. A extra large litter of Newfoundland puppies take to the water as they train to be rescue dogs. And a patchwork puppy tries to blend into a family of Retriever Mixes.

A bear cub befriends a lonely German Shepherd. A deer and a kangaroo have their world turned upside down by a mischievous lemur. And a pygmy goat has a hard time fitting in until he meets a shy puppy.

Note: 30 min episode/special

A baby Baboon is taken under the wing of a Golden Retriever. A Teacup Pig and a Flemish Rabbit sneak away from their day jobs and get into trouble. And an adventurous goat and a timid lamb break out of their everyday routine.

Note: 30 min episode/special

Star-struck Snow is a Great Pyrenees puppy who dreams of following in her movie star mom's paw prints. A pair of Border Collie pups will need to be brave if they're going to be champion herders. And a Scottish Terrier tries to win over the resident cat.