From the number one game show on television, "<i><b>Deal or No Deal</b>" (NBC, Monday @ 8pm & Thursday @ 9pm)</i> host HOWIE MANDEL visits with Ellen. Plus, one of Ellen's favorites, R&B sensation CHRIS BROWN performs "<u>Gimme That</u>" from his self-titled CD. And, don't miss Jan Silva, the 4-YEAR-OLD TENNIS PRODIGY who gives Ellen some helpful tennis tips.