"The Undergraduates" is the third episode of Gossip Girl's current fourth season. It airs Monday, September 27. For images from next week's "Double Identity," peep this gallery.

We're still splitting time between Paris and New York next week, but the whole gang is back on the UES in "The Undergraduates," the setting of which is Fashion's Night Out.

This is the first two episodes to feature the fashionable, charitable event. Will Little J make her return? Likely the week after. Here's a little look ahead to September 27 ...

As you can see, there's a healthy dose of high fashion and Katie Cassidy's Juliet Sharp in this episode. Looks like she's really infiltrating our crew. What do you think she's up to?

Steve Marsi is the Managing Editor of TV Fanatic. Follow him on Google+ or email him here.