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