That's So Raven - Season 3 Episode 4 -

Raven and Chelsea's plans for an all-day movie marathon are ruined when Eddie has to bring his annoying neighbor, Stanley, with him. Even worse, Stanley still has the hots for Raven. Meanwhile, Cory; Victor; and Eddie lose all their valuables to Stanley in a game of ping-pong. Chelsea then decides to play him for all their stuff back -- a fatal mistake, on Stanley's part; Chelsea is a champion ping-pong player!