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

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

Dexter Morgan

[narrated, in reference to Doakes] My devil danced with his demon and the fiddler's tune is far from over.

Dexter Morgan