ARNAZ GETS EXTREMELY JEALOUS WHEN HE FINDS D-MACK AND BREANNA SPENDING A LOT OF TIME TOGETHER STUDYING, ON A REBROADCAST OF "ONE ON ONE," MONDAY, JAN. 9 ON UPN

David Faustino ("Married With Children") Guest Stars as Chad, The Coffee House Manager

"Study Buddy" -- When Breanna and D-Mack start spending a lot of time studying together, Arnaz becomes jealous and quickly realizes he must put a stop to it before he loses Breanna, on a rebroadcast of ONE ON ONE, Monday, Jan. 9 (8:00-8:30 PM, ET/PT) on UPN. Alfonso Ribeiro directed the episode from a script by Michelle Listenbee Brown. David Faustino ("Married With Children") guest stars as Chad, the coffee house manager. (Originally broadcast 10/17/05)

Later, Sara refuses to give Cash a rematch after beating him at a game of chess.

Breanna Barnes: Kyla Pratt
Arnaz Ballard: Robert Ri'chard
Cash Bagen: Jonathan Chase
Lisa Sanchez: Camille Mana
Darrell "D-Mack" McGinty: Ray J
Sara Crawford: Nicole Paggi
Chad: David Faustino
Woman: Susan Wright

RATING: TVPG-L