It-Girl Happened One Night

S4 E15: With Russell Thorpe (recurring guest star MICHAEL BOATMAN) poised for a takeover attempt of Bass Industries, Chuck makes one last-ditch effort to save his family's company. Meanwhile, Blair is given a challenging assignment at W magazine with the promise of a possible promotion, and Serena struggles with her feelings for Ben (recurring guest star DAVID CALL – Rescue Me, Fringe).