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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What is Trinity up to? He takes Dexter along for a road trip on the episode "Road Kill."
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Dexter Season 1 Episode 8 Quotes

We're looking for a potentially old white guy... in Miami?

Angel

I have a big weekend planned; as in, twins.

Masuka