English Mastiff, Chinese Crested, Italian Greyhound, Border Collie, Lhasa Apso
Season 2 • Episode 5
Which dog is considered the smartest breed on the planet? Which pup is one of the few canines with sweat glands? And which doggie has graced the royal palaces of Charles the First, Catherine the Great, Queen Anne and Queen Victoria?
42 min|TV-PG|Premiered 11/01/2009
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