Transcript for Many heroes have made headlines in 2018
Welcome back to "Gma". Stepping up and standing tall, all kinds of heros made headlines this year and robin takes a look at how they did it. Reporter: This year more than 100 young athletes reminded us that heroism and courage go hand in hand. We may suffer alone, but we survive together. Reporter: The women were honored with the Arthur ashe courage award for coming forward to seek justice against their former doctor, Larry Nassar, after years of sexual abuse. I was at the espys when they all stood on that stage. It was one of the most powerful moments of my entire life. There was like this sisterhood between them. It came from something awful and ugly and really dark, but they together were so strong and not scared. I hope that people can learn from what happened to us, that this should never, ever, ever happen again. Heros are people that stand up and step up when the time calls for it. There were a lot of people who did that this year. Reporter: Across the nation we were graced by many acts of bravery and compassion. In the face of hate and terror. Now to our exclusive, the quick thinking hero who helped fight off that gunman. The only thing that was there was this vacuum. With a heavy end. I hit him over the head with it. Joshua quick credited with helping yoga students escape. I want to thank that guy from the bottom of my heart. He saved my life. Reporter: James Shaw Jr. Also saved lives by stepping up in that waffle house in Tennessee. I'm not a hero. I think anybody could have did what I did. Reporter: Others who heard his story thought differently like "Black panther" star Chadwick Boseman sharing his best hero award with James at this years mtv movie and TV awards. James Shaw Jr., come up here. This is going to live at your house. You can catch "The year in 2018" with robin Roberts, a look at all the year's highlights tonight at 9:00 on ABC. Coming up here the young
This transcript has been automatically generated and may not be 100% accurate.