What are some interesting Highlander SG1 crossover fanfiction stories?

You can start by looking on fanfiction.net. It has a large collection of fan - created stories, and there's a good chance you'll find some Highlander SG1 crossovers there.

One interesting story could be about the characters from NCIS and SG - 1 teaming up to solve a mystery that involves both Earth - based crimes and alien technology. Maybe they have to track down a stolen alien weapon that is being sold on the black market on Earth.

Yes, there are likely some interesting ones. You can start by looking on fanfiction websites. Some might explore unique character interactions, like how the characters from Torchwood would interact with the immortals in Highlander. They could create new and exciting storylines that combine the two universes' mythologies.

Yes, there are likely some interesting ones out there. A good place to start looking could be on fanfiction websites like Archive of Our Own. Some might explore how the characters from NCIS interact with those from Highlander in unique crime - solving scenarios or character - development arcs.

One idea could be to have a character from SG1 accidentally end up in the SGA universe and have to adapt to the new technology and threats there. For example, Jack O'Neill could find himself on Atlantis and his military tactics and dry humor would create interesting interactions with the Atlantis team.

One idea could be that Buffy and the Highlander team up to fight a common supernatural enemy that is causing chaos in both their worlds. Maybe a powerful demon that can't be killed easily, and the Highlander's immortality and Buffy's slayer skills are needed to defeat it.

One great sg1 crossover fanfiction could be the ones that cross it with 'Star Trek'. In such stories, characters from SG1 might find themselves in the Star Trek universe facing new challenges and meeting different alien species. It's really interesting to see how the different technologies and cultures interact.

One interesting SG1 fanfiction story could be about an alternate universe where the Goa'uld are actually peaceful and work with Earth. Another might be a story focusing on the relationships between the SG1 team members outside of missions, like how they unwind together at the SGC. There are also fanfictions that explore the backstories of the characters in more depth, for example, a detailed account of Teal'c's life before joining SG1.

There are fanfictions that explore the backstories of other characters in the Highlander universe. For example, a story about how a particular side character became involved with the immortals. This can add depth to the whole world of Highlander.

One idea could be that Xander discovers he has the immortality of a Highlander. He then has to navigate his newfound ability while still dealing with the usual supernatural threats in his world. Maybe he teams up with a Highlander character to learn more about his new condition.