Danelle, a professional endurance athlete, was out for a run when she fell off a cliff, plummeting 60 feet to the ground and shattering her pelvis. Unable to drag herself out of the canyon, her pup Taz refused to leave her side. Until she told him to.

When Janet's house goes up in flames, the babysitter gets one child to safety, while the family's pitbull Blue stays behind in the collapsing, smoke-filled house with the youngest daughter. Can Blue save the child's life?

When Michael's car crashes 50 feet into a ravine, his legs are pinned and he can't move. The only has for survival is his six-month-old puppy Honey.

Before Zach Skow devoted himself to his dog rescue organization, Marley's Mutts, he was a committed alcoholic with a rapidly-dying liver, and all the doctors gave him 90 days to live. But Zach's dog Marley refused to accept this diagnosis.

On a hike in Alaska, Claire and her teenage daughter encounter a mama grizzly and her cub. When the mama grizzly rears up on her hind legs, pup Bronwyn puts herself between her humans and the bear.

When Kobe digs the same hole over and over in the backyard, Chanell just keeps filling it back in. Until she realizes that Kobe is trying to send her a desperate warning...