French Bulldog, Poodle, Airedale, Chihuahua, Labrador
Episode: 1x01 | Airdate: Oct 11, 2008
Season 1
Rottweiler, Boston Terrier, Basset Hound, Shar-Pei, St. Bernard
Episode: 1x02 | Airdate: Oct 18, 2008
Jack Russell, Golden Retriever, Pembroke Corgi, Vizsla, German Shepherd
Episode: 1x03 | Airdate: Oct 25, 2008
Boxer, Bichon Frise, Newfoundland, Beagle, Dachshund
Episode: 1x04 | Airdate: Nov 1, 2008
Westie, Irish Setter, Doberman, Miniature Pinscher, Whippet
Episode: 1x05 | Airdate: Nov 8, 2008
Bloodhound, Yorkshire Terrier, Great Dane, Shih Tzu, Rhodesian Ridgeback
Episode: 1x06 | Airdate: Nov 15, 2008
English Bulldog, Collie, Wire Fox Terrier, Cavalier King Charles Spaniel
Episode: 1x07 | Airdate: Nov 22, 2008
Pug, Weimaraner, Maltese, Soft Coated Wheaten Terrier, Akita
Episode: 1x08 | Airdate: Nov 29, 2008
Presidential Dogs
Episode: 1x09 | Airdate: Jan 17, 2008
All the Presidents' Pets
Episode: 1x10 | Airdate: Jul 4, 2009
Season 2
Dalmatian, Siberian Husky, German Shorthaired Pointer, Havanese, Pomeranian
Episode: 2x01 | Airdate: Oct 3, 2009
Ugly Dogs
Episode: 2x02 | Airdate: Oct 4, 2009
English Sheepdog, Chow Chow, Toy Fox Terrier, Brittany, and Miniature Schnauzer
Episode: 2x03 | Airdate: Oct 10, 2009
Pekingese, Korthals Griffon, Chesapeake Bay Retriever, Australian Shepherd
Episode: 2x04 | Airdate: Oct 17, 2009
Bernese Mountain Dog, Afghan, Portuguese Water Dog, Cairn Terrier, Alaskan Malamute
Episode: 2x05 | Airdate: Oct 25, 2009
English Mastiff, Chinese Crested, Italian Greyhound, Border Collie, and Lhasa Apso
Episode: 2x06 | Airdate: Oct 31, 2009
Designer Dogs
Episode: 2x07 | Airdate: Nov 28, 2009
Rare Breeds
Episode: 2x08 | Airdate: Dec 5, 2009
Puppies
Episode: 2x09 | Airdate: Dec 12, 2009
Season 3
Irish Wolfhound, American Pit Bull Terrier, Gordon Setter, Silky Terrier, Wonder Dogs, Cocker Spaniel and Papillon
Episode: 3x01 | Airdate: Sep 11, 2010
Basenji, Bullmastiff, Shetland Sheepdog, Coton de Tulear, Wonder Dogs, Great Pyrenees, American Eskimo
Episode: 3x02 | Airdate: Oct 2, 2010
Australian Cattle Dog, Saluki, Norwich Terrier, Boykin Spaniel, Wonder Dog
Episode: 3x03 | Airdate: Oct 30, 2010
Komondor, Irish Water Spaniel, Samoyed, Shiba Inu, Greyhound, Rat Terrier
Episode: 3x04 | Airdate: Nov 6, 2010
Kooikerhondje, Tibetan Mastiff, Dandie Dinmont Terrier, Leonberger, Affenpinscher
Episode: 3x05 | Airdate: Nov 27, 2010
Season 4
Briard, Canaan Dog, Dogo Argentino, Japanese Chin, Wonder Dog, Clumber Spaniel, Australian Kelpie
Episode: 4x01 | Airdate: Oct 15, 2011
Miniature Bull Terrier, Dingo, English Setter, Borzoi, Wonder Dog, Keeshond
Episode: 4x02 | Airdate: Oct 22, 2011
Bluetick Coonhound, Brussels Griffon, Swedish Lapphund, Petit Basset Griffon Vendeen, German Wirehaired Pointer, Bearded Col
Episode: 4x03 | Airdate: Oct 29, 2011
Black Russian Terrier, Belgian Malinois, Black and Tan Coonhound, Pointer
Episode: 4x04 | Airdate: Nov 5, 2011