4 dogs who have redefined 'man's best friend'

Aug. 26 is National Dog Day, and while you may be celebrating the four-legged friend in your house, we’re celebrating four dogs who have given a deeper meaning to the phrase “man’s best friend.”

1. Toy poodle goes to bingo night 

Nala is a toy poodle who works at a nursing home, attends group therapy, bingo nights and, most important, visits residents when they need an extra dose of love.

Tiny poodle has free reign at nursing home

A tiny poodle goes to work each morning at this nursing home, attending group therapy, bingo nights, and most importantly, visiting residents when they need an extra dose of love.

Humankind

2. Golden Retriever survives 10 days in the wild

Possibly the cutest dog and human reunion we've ever seen was a result of a scary 10-day trek through the woods for this lost golden retriever.

Possibly the cutest dog and human reunion ever

Kali, a Golden Retriever/Collie mix, survived in the forest for 10 days before showing up at a campsite, and eventually being reunited with her owner.

HUMANKIND

3. Stray dog falls in love with runner

This runner had prepared for every possible scenario that he could come across during his 155-mile run in the Gobi Desert. But he never prepared for a furry companion.

Stray dog falls in love with runner during marathon

A stray dog won the heart of an extreme marathon runner, after tagging along while he raced across the Gobi desert in China.

4. A playmate for tiny patients

Cheeto may be only 8 pounds, but this little pup is full of love for children who need it most.

Tiny dog 'Cheeto' gets huge smiles from kids who need it most

Cheeto may only be 8 pounds, but she’s full of love for children who need it most.

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