Dexter continues its disappointing, slow season on Sunday, as fans clamor for the action to pick up and for Lumen to go away.

Sadly, we can confirm that Julia Stiles isn't going anywhere any time soon, but there appears to be potential for events to move more quickly on "Circle Us."

Both of the following clips are promising in that regard: in the first, Lumen details a couple of her captors, as Dexter has agreed to help her track them down. In the second, the captain pressures the squad to come away with something in its planned nightclub stakeout. Take a look at both now:

[video url="http://www.tvfanatic.com/videos/lumen-explains/" title="Lumen Explains"] [/video]

[video url="http://www.tvfanatic.com/videos/circle-us-clip/" title="Circle Us Clip"] [/video]

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