A teenager and her four dogs fight off a bear trying to get into the family's yard. Also, a pair of Dobermans thwart an armed robbery. And a hunter nearly drowns in mud before being saved by his Chocolate Lab Otis.

A pit bull tries to save a hiker from a nearly fatal bear attack. Plus, a cat named Bob wakes up a sleeping family moments before they're poisoned by deadly car fumes. And a dog named Tuxx helps rescue a teen after he's nearly buried alive.