Yesterday's Gossip Girl promo sparked great debate.

Today's slightly extended version of the promo for Monday's all-new episode, "Carrnal Knowledge," is sure to generate even more discussion, controversy and speculation.

Just what - or more accurately, who - did Chuck Bass do the night before? And can the school really expel Blair for declaring war on Rachel? Did Rachel and Dan ... whoa.

Check out the extended promo below and see what you think, then follow the link for all the latest news, rumors, discussion and Gossip Girl spoilers!

[video url="http://www.gossipgirlinsider.com/videos/carrnal-knowledge-extended-promo/" title="Carrnal Knowledge: Extended Promo"] [/video]

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