More adorable kitty videos.

Searching for the most adorable cat videos ever posted on the web.

"Ninja Cats" employ stealthy moves; other categories include "Techno Tabbies," "Feline Foodies" and "Cats With Catitude."

Naughty felines are caught in the act; cute kittens attempt to mimic the actions of their human friends.

Cats cram themselves into tight spots, hang out with unusual friends, and demonstrate their athletic abilities.

Countdown of the cutest viral video clips of superstar pups.

Counting down the goofiest and most adorable dog clips.

Counting down the world's most adorable cat clips.

Checking out the most amazing dog videos from the internet.

Home videos highlight the most magnificent dogs on the Internet.

The cutest dogs on the web; dogs acting like nannies to human babies; athletic dogs & chatty mutts.

Exploring the canine kingdom; cute dogs; latest videos of guilty pooches; mutts with unusual pals.

Counting down the cutest clips of playful pups in the web-o-sphere to crown America's cutest dog.

Counting down the very best online video clips in the web-o-sphere to find America's cutest cat.

America's Cutest Dog is crowned as pups take top prize in this collection of online video clips.

A dog is not always man's best friend. Sometimes dogs are bad to the bone, destroying property both inside and out and generally misbehaving at every turn. Just how far can dogs push their owners and still get unconditional love? "Bad Dog!" answers that question with videos of animal antics -- and the reactions of the pets' owners -- that must be seen to be believed. The program also calls a timeout for other ill-mannered critters, such as cats, geese, turtles and monkeys.

Cats and dogs may think they rule the pet world, but there are plenty of other furry creatures -- not to mention feathery and scaly -- that are a loving part of many families. "Pets 101" shines the spotlight on these amiable animals, among them hamsters, guinea pigs, rabbits, ferrets and more peculiar ones like pigs, hedgehogs, goats, mini donkeys and, yes, skunks. Comments from animal experts are mixed with pop-culture footage to give these pets the respect they deserve.

The Canopy Cat Rescue crew saves cats that are stuck in trees.

The water that surrounds Miami makes it an attractive paradise for residents and vacationers alike, and also a haven for dangerous snakes and overgrown reptiles. It's the threat posed by those creatures that keeps the team at Venom One busy and provides the drama in "Swamp Wars." Venom One holds the largest anti-venom bank available in the U.S., and the highly trained firefighters and paramedics within Miami-Dade Fire Rescue use the anti-venoms to save countless lives each year. The Venom One team is also seen combating native species such as the eastern diamondback rattlesnake and nonnative Burmese pythons and Tegu lizards, not to mention countless alligators, iguanas and water snakes.

The intense conflict that is centered on the worldwide commercial demand for rhino horns.

Reality TV producers will go to great lengths to film any program they think has ratings potential, and in the case of the well-worn subject of prospecting, they'll even go to the ends of the earth. "Ice Cold Gold" introduces viewers to a team of miners who are roughing it big-time, as they search for precious metals and gems in parts of Greenland where humans have never been before. Can they strike it rich against all odds (not likely) while struggling to survive in a place more fit for polar bears than man?

Fugitives looking for a place to hide in western North America have always been attracted to the Rocky Mountains, a wonderland of dense forests and snow-capped peaks that stretch more than 3,000 miles. For the bounty hunters featured in this series, the Rockies are their workplace, where they spend countless hours in pursuit of armed and unpredictable delinquents who have skipped bail, preferring the treacherous mountain terrain to justice behind bars. The series follows professional bounty hunters Clint and Dayson in Colorado and Rob and "Animal" in Montana, as they patrol the scenic but harsh landscape.

In many cases, animal hoarding goes unaddressed until it becomes a crime. This docu-reality series takes an unflinching look at the compulsive need to possess and control an unmanageable number of animals, the people and pets affected, and the challenges of confronting this psychological condition. The series also provides an opportunity for family members and friends to help their loved ones recognize the root of their issues by coordinating interventions with psychologists, animal welfare experts, veterinarians and others.

Helping protect Alaska's ecosystem when millions of sockeye salmon migrate each year are commercial fishermen looking to reel in massive paydays. To preserve the environment and sustain the fisheries for future migrations, crews harvest up to 70 percent of the salmon during a four-week season. This series documents the drama on Bristol Bay, focusing on the work of five captains and their crews who best represent the 1,800 competitors angling for a potential fortune swimming just below the surface.

Twins Ron and John Daniels own and operate Daniels Wood Land, a Paso Robles, Calif., company that creates custom playhouses and treehouses, and designs, builds and installs interactive environments for theme parks, casinos, restaurants, minigolf courses, playgrounds and retail stores. Harvesting downed redwoods and turning the lumber into handcrafted artwork has garnered the company clients countrywide. Ron is the detail-obsessed president who also scripts and voices animatronic characters for the Daniels' line of shooting galleries. John is the artistic mastermind of carvings that are centerpieces for many themed attractions and treehouses. "Redwood Kings" showcases how the brothers' combined talents generate a unique, successful business.