Stargate SG1 Firefly xover. River is lost: Where is found and what she uncovers may teach her more about her verse than the crew of Serenity are willing to face. Spoilers for the movie Serenity. See that first! About to be unearthed from the dead!

When the crew of Galactica encounters the remains of the Forward Unto Dawn, life starts to get a lot more complicated for all involved, including an old enemy...

SG-1/BSG 2003 Crossover. The Colonials invade Earth .. I know it's a little Cliche'd but give it a try. Jack/Sam, Lee/Kara

During a rescue mission gone awry, Sam and Jack end up stranded in another galaxy where they find themselves passengers on a ship called Serenity. Sam/Jack EST

Sequel to Duality. Azula makes a surprise attack, and Aang is hurt. With the Gaang trapped, Zuko seeks help from the other side of the Vanishing Cabinet. But dealing with Draco Malfoy may be like jumping from the pan and into the fire. HP/Avatar:TLA Xover

There isn't a facility on any planet that can hold the Fire Prince and the World's Greatest Earthbender. Avatar/Stargate SG1 xover

What happens when a Jedi padawan crashes to Earth? All of hell and half of heaven. An epic length, stand alone, MegaCrossover I know about those now-I read TVTropes set in the same AU as Gods of Dark And Light.

COMPLETE! When General O’Neill and SG-1 go offworld for a diplomatic mission, an unexpected encounter with alien customs leads to a crisis that could shake the foundations of SGC leadership. Mature but not graphic content, language suitable for primetime