1: "Meet the new NCIS agent, played by Katrina Law, who shakes things up in Season 19."

2: "Jessica Knight's replacement is a powerhouse with a mysterious past."

3: "Will this new agent earn the team's trust amid a major shakeup?"

4: "Agent Knight fans, brace yourself for a surprising twist in the story."

5: "Katrina Law's character brings a fresh energy to NCIS but faces a tough challenge."

6: "Discover the secret that could make or break this new agent's role."

7: "As tensions rise, NCIS must navigate uncharted territory with their newest member."

8: "Will this unexpected addition prove to be a valuable asset or a dangerous liability?"

9: "Stay tuned as the drama unfolds on NCIS with Jessica Knight's replacement at the center."