Which feline has the longest legs of any domestic cat? Which breed gave birth to the largest litter of kittens on record? Which feline is considered one of the luckiest? Which large-boned breed doesn't fully mature until they're four years old?

In this episode of Cats 101, get to know the Bambino, Pixie Bob, Australian Mist, Domestic Longhair and Napoleon.

All there is to know about curious, cute and cuddly kittens is right here in this episode of Cats 101.

Meet the Kurillian Bobtail, Chausie, Dwelf, Burmilla, Lambkin, and even the Internet sensation "Klepto Cat".

Which native island cat may have been man's first domesticated pet cat? Which cat is known as the Shirley Temple of the cat world? Which cat only made it past its country of origin just a year ago? Which cat loves to travel along the Italian coast?

Which cat has a sixth finger on its paws that it uses to open doors? Which cat originates from the 125-degree desert? Which former royal cat is meant to have two different eye colors? Which cat works as a receptionist at a local animal hospital?

Which Russian-bred cat can help those who suffer cat allergies? Which cat can come both bald and completely furred? Which cat's personality depends on their fur color? Which cat is often called the world's most rare feline breed?

Meet a handful of little pets that find their way into many hearts and homes.

Meet small and peculiar pets some consider to be part of the family.

Sixteen of the most popular and most adorable clips of animals and infants posted on the Internet battle it out to answer the question once and for all: Which is truly cuter? Puppies or babies (or even kittens).

We take cuteness to a whole new level in this competition for the title of the cutest of all.

And the last cutie standing is...

Dr. Jeff Young & his crack team treat and save the lives of countless pets at one of the busiest clinics in America. In this episode, Jeff is faced with saving a dog that goes into cardiac arrest shortly after arriving at his clinic.

A 3 month-old micro pig with an injured leg requires surgery, but anesthesia could be deadly. A French Bulldog's routine dental exam becomes a complex operation. The team heads into the Rockies to help a couple who rescue sled dogs.

Dr Jeff and his team are pushed to the limit when a litter of 10 puppies comes in with a mysterious and deadly disease. Then, Dr. Jeff must work out what's wrong with a limping cat before performing complex hip surgery.

A dog is brought into the clinic with a suspected broken leg, but Dr. Jeff quickly diagnoses a far more serious condition requiring urgent surgery. Vet tech Tasha is forced to overcome her childhood fear of birds.