Tues. Dec 10, 9pmETPT
Dogs have served alongside soldiers as rescue dogs, messengers, and scouts since WWI
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Check out these ultimate fighters and competitors of the animal kingdom!
Take a journey across distant isles, down rugged shores, and into the great wilderness of the Pine Tree State. Watch the FULL EPISODE.
Track the fastest predators through rainforests, African savannahs, and watery underworlds.