Late in "Dancing Fools" viewers are invited to submit videos for consideration by the show.
The campaign features a contest in which athletes can submit videos showing themselves in action.
Even without prompting, admissions officials say, a growing number of students submit videos.
The CNN-YouTube debates let the public ask questions by submitting videos.
Those who submit videos will be entered into a contest to win a trip to theLondon Games.
They are the ones who start their own sites or sign up for MySpace or submit videos to YouTube.
A commercial will feature the chef Rocco DiSpirito asking viewers to submit videos at a Web site, bertollinightsin.com.
Viewers are encouraged to visit a Web site, Olympic.org/showyourbest, to send in videos of themselves achieving a personal best and to vote on other submitted videos.
Filmmakers submit videos specifically for the contest (and pay a $45 entry fee), with finalists determined by public voting and the winner chosen by the advisory panel.
The organisers of the Mars One mission announced that 202,586 people have submitted videos explaining why they should be chosen for the £4 billion project.
