Transcript for Heroes of Houston jump into action to save neighbors
Reporter: We witnessed countless acts of heroism. First responders risking their own lives. Patient's inside. Reporter: Everyday people like brothers Alex and George Jackson. Using their own boat to save their neighbors. It's really sad. Some of the areas where we stop in the boat you can't see if it's a foot or ten feet. Reporter: Jumping into action when we told them about a woman we heard was trapped. Yvette? This is your home? Yeah. It's our home. And these are our neighbors, Yvette and James. One of our boys is here. And I'm going to start crying like an idiot. We feel still very fortunate. We're happy for your help. We're happy to get out. Reporter: And we met young heroes as well. These students rushed to help their teacher when she returned to her flooded out home. I didn't even have to call. They just showed up. Reporter: So she's your fourth-grade teacher. I mean, that was years ago. Yeah. Reporter: But you still showed up. Why? I just wanted to help out any way I could. Happy birthday. Reporter: And who could forget mattress Mack? We have lots of beds. We have lots of food. We have water. Reporter: The Houston businessman who opened up his furniture stores giving shelter and comfort to so many. Heroes of Houston. Those with badges and those without. Saving lives, restoring hope. Tom llamas, thank you. And thanks to all the heroes of Houston.
This transcript has been automatically generated and may not be 100% accurate.