ron howard -- proclaims a simple message. they all made it, with help from strong, caring documents they strong, caring adults they met at their local clubs. shaquille o'neal and general wesley clark, smokey robinsont lived there. >> reporter: denzel washington, who for almost 20 years has been national spokesperson for the boys and girls clubs, started going to his local club when he was 6 years old, where they provided hot meals, sports and educational opportunities and so much more. what works? why do boys and girls clubs make such a difference? >> i think because there are people in your life every day that care for you. it's a safe, comfortable loving environment. >> reporter: jennifer lopez started singing and dancing at the boys and girls club in the south bronx. >> it just gave me a great sense of hope and a way to really, really kick-start my dream. >> reporter: 4 million kids at nearly 4,000 clubs across america. that's a lot of dreams. and with a little help and a lot of hard work, dreams can come true. terry moran, abc news, washington. >> and thank you for watching. we are always on at abcnews.com. and don't forget, "nightline" will be here later. and we will see you once again right