Season 4

Two Bernese Mountain Dog pups bond with their barnyard neighbors. A trio of Shiba Inu girls challenge their spick and span mom with their messy ways. And, in a litter of mixed breed Chatham Hill Retrievers, a young pup takes after his boisterous dad.

A dog spa hostess has her work cut out for her by 10 whippet pups; a mix-breed pup looks to fit in with sisters; mother's serene life is disrupted by a litter of 13 black Russian terriers.

A pup befriends a ferret.

Tabby litter befriends a bearded dragon; Alice the Burmese leads her brothers on an adventure; runt of Siberian litter plays with miniature horse named Kitty.

A Chesapeake Bay Retriever is convinced he's the alpha dog, but his big cousin isn't about to roll over. Miniature Poodle Tater Tot is determined to prove she's the equal of her bigger, louder brothers. And a snowy, fussy Samoyed befriends a Dalmatian.

Litter of Yorkshire Terriers mess around with Guinea hens; Pippa deals with four new siblings; German Shepherd and Labrador Retriever train to be seeing-eye dogs.

Turkish Van needs help from a dog to keep her kittens in check; six European Burmese have loud voices in musical home; pair of Persians raise trio.

A Rat Terrier pup troes to find his place on a ranch full of rambunctious siblings. A stylish Briard named Fresco has to learn to take care of her 10 supersized pups. And finally, a Japanese Chin named Carly tries to spin her way into the spotlight.

A Bullmastiff puppy sticks to his aunt's side as he tries to follow in her footsteps and become a guard dog. A pair of Lowchen pups seek out additional family members. And, an Old English Sheepdog finds himself being herded by tiny sister.