“Saturday Night Live” (11:29 p.m., NBC): Can Joseph Gordon-Levitt make help make


November 21, 2009 at 12:00a.m.

“Saturday Night Live” (11:29 p.m., NBC): Can Joseph Gordon-Levitt make help make “Saturday Night Live” funnier than it has been this season? He hosts tonight’s show and welcomes musical guests the Dave Matthews Band.