Angel and Laguerta aren't exactly shy about their feelings in front of Dexter. Not that it matters. He couldn't care less.
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Though they each have different reasons for doing so, Angel, Dexter and Laguerta are inching closer to nabbing Trinity during the episode "Hello, Dexter Morgan."
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As usual, Dexter has a great deal on his plate. He's seen here on the episode "Hello, Dexter Morgan."
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Sometimes, it's best to listen to your father. Dexter should have killed Arthur Mitchell soon after he met him.
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Dexter might be a serial killer, but he's also now a single father. (RIP, Rita.) How will that affect his murderous habits going forward?
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Dexter knows how to wield a knife. He does so here as he carves the turkey.
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Dexter does some research in his lab. Secret research he doesn't want the department to know about, that is.
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On the episode "Road Kill," Dexter never got a chance to use this kill room. He actually ended up saving Trinity's life instead.
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Dexter Quotes

I've lived in darkness a long time. Over the years, my eyes adjusted until the dark became my world and I could see. But then Rudy turned on the light. He flooded my memory and now I'm blind.

Dexter Morgan

Tonight's the night. And it's going to happen again, and again. It has to happen. Nice night.

Dexter Morgan