[s3e11] Nikki - Heat

: Throughout the case, Natalie begins to mirror Beckett’s mannerisms, speech, and even her expensive fashion choices. This delights Castle but deeply unnerves Beckett, leading to an awkward confrontation where Natalie deconstructs Beckett and Castle's unresolved sexual tension.

The Castle episode , which first aired on January 3, 2011, centers on actress Natalie Rhodes shadowing Detective Kate Beckett to prepare for her role as Nikki Heat in the film adaptation of Castle's novel, Heat Wave . Plot Summary [S3E11] Nikki Heat

: At Beckett's invitation, "B-movie" actress Natalie Rhodes (played by Laura Prepon ) joins the team to research her role. Initially dismissed by Castle as a shallow choice, Natalie surprises everyone with her intense method acting. : Throughout the case, Natalie begins to mirror