On Sunday's new episode of Dexter, Lumen actually commits a murder, interrupting the title character's plans to do the same. Watch the official preview for "Everything is Illuminated" NOW.

Elsewhere on the installment, Deb helps Dexter box up his belongings and also receives an earful at work. Turns out, someone important is not happy about her plan to stakeout the Santa Muerta suspects at a night club.

Check out two clips from the episode below, each replete with Spanish sub-titles.

[video url="http://www.tvfanatic.com/videos/packing-up/" title="Packing Up"] [/video]

[video url="http://www.tvfanatic.com/videos/plotting-a-stakeout/" title="Plotting a Stakeout"] [/video]

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