S5:E12 The Big One
Original Air Date: Dec 12, 2010
In the Season 5 finale, Dexter realizes that he and Lumen are being lured into a trap and risks everything to escape; Debra lets her personal feelings overwhelm her instincts in the Barrel Girls case; Quinn needs help that only Dexter can provide.
"This season opened with Dexter saying good-bye to one woman in his life and ended with him saying good-bye to another."
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