1: Tony and Ziva reunite undercover, sparks fly.

2: Explosive chemistry leads to passionate kiss.

3: Romantic tension builds, fans eagerly await resolution.

4: Emotional goodbye as Ziva leaves for Israel.

5: Tony and Ziva's daughter revealed, shock and joy.

6: Ziva returns, family reunited at last.

7: Intense action as they take down a terrorist cell.

8: Heart-wrenching sacrifice brings them closer together.

9: Series finale leaves fans in tears, a legendary love story.