1: "Tony and Ziva return in NCIS Season 21, hinting at a possible spinoff."

2: "Fans speculate about a potential Tony and Ziva spinoff series coming soon."

3: "NCIS Season 21 lays the groundwork for a new adventure with Tony and Ziva."

4: "Will Tony and Ziva finally get their own show after NCIS Season 21?"

5: "The chemistry between Tony and Ziva sparks excitement for a spinoff."

6: "Could NCIS Season 21 be setting up a Tony and Ziva spinoff series?"

7: "Tony and Ziva's storyline in NCIS Season 21 teases a possible spinoff."

8: "Fans remain hopeful for a Tony and Ziva spinoff after NCIS Season 21."

9: "Stay tuned to see if Tony and Ziva's spinoff dreams come true in NCIS Season 21."