Patricia Arquette will take orders from her "little brother," In Case of Emergency's David Arquette, when he directs an upcoming episode of Medium, says Reuters.... Best-actress nominee Judi Dench ( Notes on a Scandal) won't be on hand for the Feb. 25 Academy Awards, as she is due for a knee operation.... Finesse Mitchell: Live, a concert tape starring the onetime SNLer, arrives on DVD today.... Mohinder? Sayid? Who is TV's sexiest brainiac? Cast your vote in the latest TVGuide.com poll!