One possibility is that they would have a really emotional reunion. They might share all the things that have happened to them since they last saw each other. For example, Ziva could tell Dinozzo about her life away from NCIS and how she has changed. Dinozzo, on the other hand, could update her on the team and all the new cases they've worked on.
The history between them. They had such a complex relationship on the show. There were moments of friendship, unspoken feelings, and even some tension. Fans love to explore what could happen if they were reunited and how those old feelings might resurface.
Love and romance are very common themes. Since their relationship on the show had so much potential, fanfiction often explores their romantic feelings for each other more deeply.
One great piece of Tony Dinozzo and Ziva David fanfiction is 'A New Beginning' which focuses on their post - NCIS life together. It beautifully portrays their relationship growth outside of the agency.
Some fanfictions explore the idea of Ziva and Tony starting a family. It shows how they would handle the challenges of parenting while still being involved in their dangerous line of work. There are also stories that revolve around them solving a particularly difficult case that hits close to home for one of them, which brings out new aspects of their relationship.
In fanfiction, Ziva is often portrayed as very strong - both physically and mentally. She's highly independent but also has a soft side that only Tony can reach. Tony, on the other hand, is usually the more laid - back one, using humor to deal with difficult situations, yet he can be very serious when it comes to Ziva.
One great fanfiction could be 'The Reunion'. It's about Tony and Ziva reuniting after years apart and having to work together on a case that hits close to home for both of them. They slowly rekindle their old feelings as they dig deeper into the mystery.
The 'Reunited and it Feels So Good' trope is quite popular. Fans love to see Tony and Ziva come back together after a long separation and pick up where they left off. It gives a sense of closure and new beginnings.
One common theme is his relationships. Fanfictions often explore his friendships, especially with his NCIS colleagues, in more depth. They might show how his bond with Gibbs or Ziva evolved over time.
One popular 'Anthony Dinozzo and Stargate fanfic' might be 'Crossover Adventures'. It combines the characters in really interesting ways. The author often has Dinozzo's detective skills play a crucial role in the Stargate - related mysteries they encounter. It's a great read for fans of both universes.