what episode does debra find out about dexter

Debra first sees Dexter kill in Season 6, Episode 12 , titled “This Is the Way the World Ends,” and she fully learns he is a serial killer in Season 7, Episode 1 , titled “Are You…?”.

Quick Scoop: The Key Episodes

• Deb walks in on Dexter murdering Travis Marshall on the church altar in the Dexter Season 6 finale, “This Is the Way the World Ends” (S06E12).

• At this point, she realizes he has killed someone, but Dexter frames it as an act of self-defense and convinces her to help cover it up.

• Debra finally uncovers his trophies and tools and forces him to admit the full truth in “Are You…?” (Season 7, Episode 1), where he confirms he is a serial killer.

Short answer for your post

If your readers are asking “what episode does Debra find out about Dexter?” the clearest, spoiler-accurate answer is:

• She catches him killing someone in Season 6, Episode 12 – “This Is the Way the World Ends.”

• She gets explicit confirmation that he is a serial killer in Season 7, Episode 1 – “Are You…?”.

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