Heat - [s3e11] Nikki
: Despite a misunderstanding involving Natalie that causes a rift with his girlfriend Jenny, Detective Ryan ultimately proposes to her at the precinct at the end of the episode, and she accepts. Episode Details Cast & Guest Stars : Laura Prepon as Natalie Rhodes. Thomas Calabro as Scott Donner. Trivia :
: 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. [S3E11] Nikki Heat
Fans often note that the episode aired out of its intended chronological sequence; Castle is still in a relationship with Gina here, even though they break up in the subsequent episode, "Poof, You're Dead". : Despite a misunderstanding involving Natalie that causes
: Natalie uses her acting skills to talk a distraught suspect, Scott Donner, out of committing suicide by delivering lines from the Heat Wave script. Trivia : : Throughout the case, Natalie begins