Dexter bonds with his son in a way only he can in this clip. The serial killer grabs Harrison and investigates a blood stain.
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Dexter is questioned by a FBI agent in this scene from the fifth season premiere. He's not handling the death of Rita very well, but that's because he's not visibly upset.
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Dexter tries to make arrangements for Rita's funeral in this clip from the season five premiere. But this serial killer can't relate to what's going on.
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In this video, Dexter cast members preview season five. We also get snippets of a couple season premiere clips, including Dexter at Rita's funeral.
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Dexter Season 5 Quotes

Don't be sorry your darkness is gone. I'll carry if for you - always. I'll keep it with mine,

Dexter [to Lumen]

Sometimes partners find us, and as much as we try to push them away, they work their way into our lives, regardless - until we finally realize how much we need them.

Dexter