When Charlie Essers arrived at the scene of his wife's bike accident, he found four women shielding and soothing her until emergency crews could arrive.

Mark Metersky was a medical student at a New York City hospital. He was frustrated with one of his patients when he saw something that surprised him.

Many years ago, Karleen was physically attacked by her then-boyfriend. Terrified, she left their condo, sat down on the curb, and began to cry. Then, a kind stranger invited her to Hanukkah.

Caroline Davis was about to make a mistake that could have severely damaged her car. Then a stranger stepped in, with an offer of help that brought her to tears.

In first grade, Clara Temple had to get a hot lunch at school for the first time. The process was confusing. She ended up in tears. Then a cafeteria worker stepped in — and made a lasting impression.

On one of the hardest days of her life, Clarice is given a moment of respite by her two unsung heroes

A special reunion conversation between Megan Atherton and the woman who changed the course of her life.

Emma Carlson Berne was at a restaurant, feeling overwhelmed with her three young children. Then a stranger came over with words she's never forgotten: "What a beautiful family."

After her car key broke, Betsy Cornwell was stranded and all alone. Then the unlikeliest of heroes came to her aid.

After Brian Perkins refused a stranger's help, her actions changed his life forever.

A transit worker watched Donald Kabara and his son hug goodbye. Later, he was pleasantly surprised to see his son return with another hug — prompted by the worker.

Malcolm Campbell remembers Don Lawson, the high school civics teacher who helped him understand the true value of education.

As Samantha Hodge-Williams waited on the operating table for emergency surgery, she felt alone and scared. Then the anesthesiologist appeared.

Corey Widmer says the experience has made him think more about how he can help others.

Nora Durkin called a hotline to report abuse she says she experienced as a child. The woman who answered gave her the validation she had needed for years.