NCIS Season 15 maintains the show's traditional procedural format focused on Navy crime investigations, with a diverse but longstanding cast that includes Hispanic agent Torres (Wilmer Valderrama), black MI6 liaison Reeves (Duane Henry), black director Vance (Rocky Carroll), and female leads like Abby (Pauley Perrette), Bishop (Emily Wickersham), and newcomer Sloane (Maria Bello, a white female psychologist/agent). No race-swapping, gender-swapping, or forced diversity clashes with the established universe; changes like Bello replacing Esposito feel like standard recasting. Themes are overwhelmingly case-of-the-week military crimes, with minor progressive touches in a few episodes: Episode 19 centers Gibbs protecting an orphaned refugee girl from a gang, dipping into immigration/political territory without lectures or systemic critiques; Episodes 21-22 involve charity for homeless veterans tied to Reeves' death and Abby's exit. Abby's quirky vegan goth persona carries some incidental progressivism from prior seasons, but it does not dominate arcs. No prominent LGBTQ+ representation, identity politics, or overt social justice messaging drives plots. Pauley Perrette's departure after Episode 22 stems from on-set conflicts (dog bite, assaults) rather than ideological clashes, though she vaguely cited 'political things' and poor scripts. No creator interviews emphasize activism or DEI mandates. Reception was positive (CBS top drama, critic praise for fresh energy via Bello), with zero notable audience backlash labeling it 'woke'—complaints target later seasons instead. Progressive elements are incidental, organic to 2010s network TV, and do not influence core storytelling.