After dreaming that she was Bette Davis in "All About Eve", Blair says that she doesn't want to be "some plain Baby Jane", a role which Davis played in the movie.
when Blair awakens from her bad dream, Chuck says he hopes she didn't dream to be in "Charade" again, because he knows how terrified she is of Walter Matthau.
Dan mentions Rufus' "Welcome Back, Kotter"-mugs
Nate describes P.J. Buckley as "a young J.R. Ewing in Earnest Sewn jeans."