tonight, american museum of natural history in new york city. cnn heroes tradition continues. we're here to honor every day men and women who work tirelessly to change the world. >> honor people who are heroes, it's incredible. >> i'm very humble to take part. i've been watching it for many years. >> this is the kind of event that makes you wish there were more and more. >> from television and film, music, sports and comedy gather to celebrate these ten extraordinary individuals. >> and these are amazing people and they're doing really serious work. >> real people doing real good things. we can make a difference. >> now, it's time to meet the heroes who were in the stories