America's Top Dog - Episode Guide

A veteran K9 nicknamed "The Wonder Mutt" figures to be the favorite, but will he be taken out by the younger, hungrier competition? His challengers include a police dog with hundreds of narcotics arrests and a civilian trick dog who just might be the most talented tail-wagger in the whole field.

A third generation police K9, and a civilian underdog built for speed are among the pooches who face off in a competition that comes right down to the wire. Who will get the last woof?

Will the "Fur Missile" take off? Will a veteran K9 named Murphy lay down the law? Or will a the competition's smallest civilian underdog shock them all?

This time not one but two civilian underdogs take on the professional pooches in an epic clash of K9s. Will experience win out, or do a brash boxer and a peppy pitbull have a real shot to be leader of the pack?

The youngest dog in the competition sets a fur-ious pace. Will the more experienced dogs take matters into their own paws or will the youngster bring home all the biscuits.

Among the K9 combatants are a dog who once took down a crossbow-wielding creep, a pooch whose trainer is allergic to him, and a team with inspiration on their side. Who will emerge lick-torious'

It's raining cats and dogs but the K9 combatants show their gladiator spirit, battling through bad weather and tricky tunnels right down to the final seconds.

With some of the most decorated doggies ever to set paw on the K9 Combine, it could be a record-breaking night.

Tonight's lineup raises burning questions: Can old defeat young? Can skill beat experience? And where the heck is Catahoula?

A doggle-wearing K9 faces some tough competition including a Connecticut K9 who's ready to declare war and cancer-surviving civilian underdog named Bruce.

Six winning K9's and one champion underdog battle it out for 25K and the bragging rights for the ultimate title of America's Top Dog.

It's a brand new season of America's Top Dog with new dog breeds, new courses, and new head-to-head matchups in the first round! A Hollywood superstar pup takes on a bird hunter. A talented pitbull goes up against a punk rock border poo. And two K9s named after movie villains face off.

Small dogs take over America's Top Dog when a 17-pound Underdog takes on a protective Czech shepherd, two K9s from the same department duke it out, and a therapy dog goes against the smallest dog of the season. In the Doghouse, one dog gets disqualified for the first time in Top Dog history.

A speedy pitbull takes on a Belgian Malinois that trains K9s. A rebellious schnauzer goes up against a brainy border collie. And a grill-sporting K9 challenges a friendly female K9. Even though Underdog, Working dog and K9 enter the Doghouse, only one will leave Top Dog and head to the finale.

The competition is coming to a boil with head to head heats that put everything to the test. A female K9 aims to dominate her male opponent, three Belgian Malinois give their handlers a workout, and an old contender shows up to prove that age ain't nothing but a number.

In a series of head to head matchups, an Ibizan Hound won't get tied up by the rules, a fearless K9 unleashes his inner Avenger, and a detective working dog is determined to have the last bite. It's an emotional ride all the way to the last Takedown.

A frisbee-catching pro takes on a resilient demo dog. A female K9 goes up against the tallest dog of the season. And an engaged couple compete against each other with their sibling terriers. Only one dog will be declared Top Dog and move on to the finale.

Second place left them hungry for a win, so these top notch competitors are back to battle it out for the last remaining spot in the season's grand finale. It's working dogs versus underdogs, competing for one last chance to be America's Top Dog.

It's a battle between the best of the best when the season's seven winning teams face off in the final showdown. They'll lay it all on the line for the bragging rights, the $20,000 prize, and, of course, the ultimate title of America's Top Dog.

It's the season premiere of America's Top Dog with an all armed forces lineup! Five dogs repping the red, white and blue run the Canine Combine: a frisbee fanatic border collie, a water fearing Doberman, a tiny but feisty terrier, a movie star German Shepherd and a police K9, but only three move on to the Dog House for a chance to win the Top Dog title.

In an action packed Canine Combine, a tutu wearing Rottweiler, a partially deaf cattle dog, a zoomy mixed breed, a beer retrieving trick dog and a police K9 favorite from season one will vie for a spot in the Dog House. These pups will need brains and brawn to be declared Top Dog and move on to the finale.

A diva of a Doberman, a police K9 with a fear of water, an American Bully underdog, an avenging Rottweiler and an explosives detection dog all put their best paw forward but only one will stay the course and take home the coveted Top Dog title and a spot in the grand finale.

Two police canines, a cancer detecting lab, a border collie bat dog and the ultimate underdog, an 11-year-old completely deaf Pitbull, battle it out in the combine. Super sniffers, lighting speed and terrifying takedowns make for the most competitive Dog House yet.

An invasive mussel sniffing working dog will take on four underdogs: a Pitbull with a Hollywood bloodline, a dock diving super mutt, an ex-narcotics detection black lab and an all-female team ready to show the boys who's boss. In the Dog House a handler's fear of heights threatens to DQ a team.

In this all rescue dog episode, a Bulldog/Pitbull mix that was rehomed five times, an Australian cattle dog with two titanium knees, a Pitbull that went from police K9 to farm dog, Top Dog's first ever Siberian husky and a rookie K9 cop are all ready to prove that a pound puppy can become a Top Dog.

The second place pooches from all season long are back for redemption. It'll be a record breaking night as these hungry pups compete for the last remaining spot in the grand finale and a chance to become America's Top Dog.

The season's Top Dog winners are back to see if they have what it takes to make it to the winner circle once again. Who will have the speed, skills and smarts to bring home the $20,000 prize and the ultimate title of America's Top Dog?