Title: The Late Shaft
Air Date: April 12, 2010 at 12:00 AM PDT
When Castle appears on a late-night talk show to promote his book, Heat Wave
, legendary host Bobby Mann (guest star Tom Bergeron) leans in during a commercial break and whispers, "They want me dead." When Mann dies later that night, seemingly of natural causes, Castle convinces Beckett there was foul play. During the investigation, a Hollywood hottie, Ellie Monroe, seduces Castle. She was the other guest on Bobby Mann's show the night he died...