Modern Marvels
Season 17, Episode 5: Dogs
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Man's best friend–fearless, faithful, determined and swift. They're our sharpest eyes, noses and ears–and among the bravest hunters, soldiers, rescuers, and protectors. From natural instincts to complex training, see what makes dogs a perfectly engineered Modern Marvel.
All Episodes - Season 17
Episode 1
Mega Stores
Episode 2
Supersized Food
Episode 3
Coin Operated II
Episode 4
Engineering Disasters 22
Episode 5
Dogs
Episode 6
Built to Last
Episode 7
Secret Underground
Episode 8
Made in the USA
Episode 9
Driver's Seat
Episode 10
Rice
Episode 11
Packaging
Episode 12
Grease
Episode 13
Ropes & Chains
Episode 14
American Trucking