This Sunday night on Dexter...

... Deb will be assigned to the file room.

... Quinn will be shown revealing photos by Liddy.

... Dexter will get even closer to Jordan Chase.

... Lumen will face a possible attack at home.

Get an early look at the final two developments listed above in these two clips, both courtesy of "Teenage Wasteland."

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.