Uploaded May 2026 | Updated September 2026, 3 weeks ago

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Dexter’s (Michael C. Hall) is in shock when Arthur Mitchell (John Lithgow), known as the "Trinity Killer", walks into Miami Metro. After months of Dexter spying on him under an alias, Arthur shows up by confronting Dexter in his own office. Season 4 Episode 11: Hello, Dexter Morgan. Stream Dexter on the Paramount+ Premium Plan.

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About Dexter: Dexter Morgan, America's favorite serial killer, spends his days solving crimes and his nights committing them.

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"Hello, Dexter Morgan" 🤯 #Dexter
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