This clip is courtesy of the fourth season finale of Dexter. In it, Arthur barges in on his family.
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Showtime says the ending to Dexter's season four finale will shock you. Get excited for it with the episode's official trailer.
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In this clip from the season four finale, Deb confronts Dexter with a major piece of information: she knows about his biological mother.
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Dexter Season 4 Episode 12 Quotes

Dexter: My dark passenger is ruining my life.
Harry: It is your life.

I want you to disappear from my life like a ghost, a really annoying ghost.

Trinity