This is a clip from "Slack Tide." We could seriously watch John Lithgow and Michael C. Hall square off for weeks at a time.
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Dexter Season 4 Episode 7 Quotes

Two serial killers go for a ride. Why do I get the feeling this joke ends with only one of them coming back?

Dexter

Dear Abby, I'm a serial killer and I need advice on how to keep my kids from taking over my life.

Dexter