During the battle with the changelings, a trapped Discord manages an undirected spell that reaches across universes to bring an agent of chaos to Equestria. What's brought back more than qualifies.

Steam! Gears! SCIENCE! A very confused Spark! And, eventually, really good coffee.

Here comes Agatha Heterodyne--MARE GENIUS!

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.

Applejack had certainly dealt with her fair share of critters taking apples from the farm in her life. Unfortunately for her and the rest of Equestria, this latest apple thief encounter may just be more of a hassle than the ponies can deal with...

Sometimes you find your calling in life. Sometimes your calling in life finds you. And other times you get hit by lightning while drunkenly walking home from a bar, only to find that your life will never be the same afterwards.

Come in, sit down, have a drink if necessary (cause it might be), and read about the curious odyssey of Shaun Davis as he finds his place in a new world; full of magic, friendship, but sadly for Shaun, no booze.

Twilight Sparkle, Princess Celestia's most prized and faithful student, is being sent to Ponyville to learn about the magic of friendship.

And she's not happy about it.

Hear what Celestia has to say back! Check out the spinoff:
Responses To A Disgruntled Friendship Student by keaton-furman-prower

Still want more? Have a multiverse spinoff by MixMassBasher, my contributing writer for Seasons 5-9.
Letters From Across the Disgruntled Multiverse

Editing by Neko Majin C.

Disclaimer:
The following is a work of parody, and is protected as Fair Use under section 17 U.S. Code § 107 of US Copyright Law. My Little Pony: Friendship is Magic and all affiliated characters are property of Hasbro Inc.

An archeologist finds himself pulled into a parallel world by Discord's storm of Chaos, and encounters the mysterious creatures that live there. How will a rational human, confronted by creatures out of mythology, and unable to find his way home, adapt to his environment? Only one way to find out.