Transcript for 'GMA' Herogram Recipients Get Surprise of a Lifetime
audience up here and three people I want to call out. Is there a Dr. Greg Armstrong here and Casey Richardson and Amy love. Where are they. Don't just wave. Come on over here with us. Come on over here. How are you doing, doc. Thank you, Michael. Good to be here. Nice to see you. Good morning. Now, these three, they thought they were just guests. They didn't know they were going to do this but you three work at one of my favorite places on Earth, St. Jude's children's research hospital and it is an incredible place, incredible kids and this is a herogram. We're going to honor people who do great things in a special way and we had a chance to sit down and talk to some people very special to you and you're very special to them. Let's take a look. ? I love St. Jude's because they care about me. I love St. Jude's because we have so much fun there. I love St. Jude because they help me and all the children at St. Jude. My St. Jude hero is Dr. Armstrong. He's really nice and he's funny and he's just really kind. My St. Jude hero is miss Amy because she's fun and helps me learn music. She taught me the darth vader theme song on the guitar. My hero is miss Casey because she's nice. She's smart. She has fun activities for me. She makes my schoolwork fun even when I'm feeling bad. Thank you, Dr. Armstrong. Thank you, miss Amy. Thank you, miss Casey. All: Thank you, St. Jude's. Great kids. Wonderful kids. And we want to say -- ah. We wan to say thank you, as well. Those three little tikes were here yesterday. I had a chance to meet them. Just such warriors in that. When you see that, when you hear the impact that you have had in their live, just what goes through your mind, doctor? It's a privilege to take care of them. You walk into a room and when you talk with the family and tell them their child has cancer the whole world stops but the people that walk through the world with them and look at them and say we're going to walk this with you is great. I've been involved with stock market for a long time and the impact they have on you but you're has to help them. We have a herogram for you actually and we'll bring this herogram out. To celebrate you. Thank you. Thank you. Thanks, guys. So we want to celebrate you and we want to celebrate everybody out there helping at St. Jude's and hospitals around the world that help kids and thank you. You really are amazing in our hearts and prayers are always with you and thank you for what you did. What you mean to them and their families, priceless so just thank you. A small token of our
This transcript has been automatically generated and may not be 100% accurate.