Survival is also a big theme. In many fan fictions, the characters from both series find themselves in difficult situations where they have to fight for their survival. This could be against a new alien threat or in a harsh environment. It's a way to test the characters' limits and see how they adapt. For instance, when the SG1 team has to deal with the Cylon attacks in the Battlestar Galatica universe, they need to use their skills in a completely different context.
There's also 'Alliance in the Stars'. In this fan fiction, the two storylines merge when a common enemy forces the crews of SG1 and Battlestar Galatica to work together. It delves deep into the relationships between the characters and how they adapt to each other's cultures. This fan fiction is really interesting as it shows how the different technologies and ideologies from both series can interact and complement each other. For example, the Ancient technology from SG1 and the advanced ship systems of Battlestar Galatica create some really cool scenarios.
There's this amazing 'Battlestar Galactica 2003 Crossover Fanfiction' that combines it with the world of 'Firefly'. The space cowboy aesthetic of 'Firefly' meshes well with the more militaristic feel of 'Battlestar Galactica'. The fanfic focuses on the crews of both shows coming together to face a common threat in space. It has some great character moments and the action scenes are really well - written.
One popular trope is the 'alternate universe' where the events of the Battlestar Galactica story unfold in a completely different setting or with different character relationships. For example, what if the Cylons and humans had made peace much earlier. Another common one is the 'character backstory expansion'. Writers often delve into the pasts of characters like Starbuck or Adama to give more depth to their personalities. And then there's the 'romance' trope, pairing up different characters in unexpected relationships that add an interesting dynamic to the fanfiction.
Some popular ones include 'Battlestar Galactica: The Cylon War' which delves into the backstory of the Cylon - human conflict. Another is 'Battlestar Galactica: Blood and Chrome' that explores the early days of the Colonial Fleet and its battles.
It's mainly about the epic space battles and complex characters in the Battlestar Galactica universe. It shows the struggle for survival of the human race against the Cylons through vivid graphic illustrations.
The secrets of the Battlestar Galactica shipyards in fanfiction can be quite diverse. It could be that the shipyards are actually a front for something else entirely. Maybe they are secretly researching ways to communicate with other civilizations that are not supposed to be known. There could also be a hidden level in the shipyards where captured enemy technology is being reverse - engineered. Also, there might be a select group of people who know about a special power source that is being harnessed in the shipyards, which could potentially change the balance of power in the Galactica world.