Below is a promo for next Monday's episode, "Never Been Marcused." It looks like another good Gossip Girl on tap - with somewhat of a shocker in store for us regarding the identity of both Marcus and Catherine. Check it out ...

[youtube]http://www.youtube.com/watch?v=-ocWBeZ5vrQ[/youtube]

Interesting! Follow the jump for another "Never Been Marcused" promo. It's a little shorter, basically the 20-second version instead of 30.

[youtube]http://www.youtube.com/watch?v=uglCjCJ3E5Q[/youtube]

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