An online contest is also usually held so viewers can submit drawings of outfits for the performance.
Historians and biographers will discuss the writers, and viewers can submit questions by telephone or e-mail.
Sometimes, viewers submitted a title for a chance to win the drawing.
The concept is almost blindingly simple: Ask viewers to submit tapes they have made at home.
This technique, called a tease, later also made its way into America's Top 10, where viewers would submit trivia questions for him to answer.
Generally, a page will be updated with five or so viewer submitted pictures.
A topic of next week's show is revealed at the end of each episode so that viewers may watch and submit their own comments.
A unique part of this show is the fact that viewers may submit their own videos and also be included in the show.
Brown asks viewers to submit what they drew by text, and messages appear throughout "Guess Who?"
Many viewers submitted clips that were literal interpretations of the lyrics.