Heartwarming stories of dogs that survived - and thrived - against the odds.

It's no secret that dogs have indomitable spirits, that they're tireless workers and have boundless energy. But it's when everything seems hopeless that their grit and determination really shines through. Whether sick or injured, lost or abandoned, recovering from cruelty or neglect, it's the underdogs of the world who have the most to teach us.

Dogs like Jake the bulldog, who was found unresponsive in a burning house but was revived by puppy CPR and now serves as a mascot for the fire crew that saved his life; Guy the beagle, discovered alone in the woods, desperately underweight, only to be adopted by Meghan Markle and become a four-legged part of the royal family; and Maggie, blinded by eye infections and shot 17 times, but still living her life with such relentless positivity that she provides support to stressed-out students and aged-care residents.

Miracle Mutts shares the stories of miraculous dogs like these, dogs who conquered seemingly insurmountable odds, dogs whose futures seemed bleak, dogs that weren't expected to make it - but triumphed and thrived in the face of incredible adversity.