Trapped on an long-dead world, the ponies of SG-1 accidentally awaken an ancient, dormant evil. With their lives at risk, they must team up with some unlikely allies if they are to survive and save the galaxy from destruction. What they find uncovers a story stretching back to the origins of their entire species.

A reimagining of the Stargate SG-1 story, set within the My Little Pony universe.

Stargate Command is Earth's first line of defense against a hostile galaxy. Their mandate is "to seek out and recover intelligence and technology to assist Earth in its defense against these aggressors." It’s a dangerous job, and SGC’s mettle and defenses have been tested before. All past incidents were resolved successfully, with the normal citizens of America – and the world – none the wiser. But...

This one may just take the cake. After SG-1 returns from a routine reconnaissance mission, bringing back a curiously intact artifact from an abandoned alien city, people begin to transform. When the changes spread across the planet, the SGC faces the prospect of losing control of the secret they've kept for over a decade.

A story in the theme of Five Score, Divided by Four crossing over with Stargate SG-1. This story is not canon Five Score; for example, Five Score takes place in 2020, while the final season of SG-1 takes place in 2007.
Huge thanks to totallynotabrony for the cover art!
Credit to Lord of Dorkness and totallynotabrony for editing assistance, as well.

SG-1 is sent through the Stargate as a forward scouting team for an extended scientific mission to P3X-597. Arriving in a long abandoned castle, the team heads out for the nearest village. As they approach, it becomes clear that the locals aren't exactly human. Their contact with the pony-like aliens goes well, conveniently timed alongside a celebration of the sun, until an over-the-top, hammy, evil pony appears to ruin the festivities.

A Stargate SG-1 crossover.

After years of shame and ridicule, archaeologist and explorer Lyra Heartstrings stumbles across a discovery that validates all her theories and ideas in one fell swoop. Along with her best friend, Bon Bon, and her old classmate Cadance, they find themselves faced with a mystery and marvel that may change everything.

Following the next greatest lead found in the database of an ancient race, another international team is formed. Led by Doctors Carter and Jackson, they strike out to explore another network of Stargates discovered in a galaxy on the edge of the local cluster. In the process, their findings will cause them to question much of what they thought they knew.

The adventures continue and unlikely allies will face dangers new and old as the Legacy of the Ancients continue to unravel in the latest chapter of the universe.

[Co-written by Thunderclap and Shagohad12] Formerly co-written by Grey Cait. [Edited by: Lithl and m2pt5][Cover art: 1, 2 modified + vectors]
Now with a Russian reading by SviMik