When Professor Oak tries to visit another dimension he never imagined it would be inhabited. Much less by the colorful ponies of Equestria. The populations of both pokemon and humans are climbing steadily, and he fears that the situation may one day be untenable. So now he turns to this new land and asks them if they will help bear this burden. When you have more than 150 species of friends to take care of what can you do besides everything physically possible?

When Mark Vand was rendered comatose by a vehicle accident DARPA offers his mom an alternative to pulling the plug. They will download his mind and upload it into a new body when the technology to do so is made available.

Deep space satellites have revealed the presence of intelligent life on a planet roughly 250 light years from earth. They will send the subjects to this planet and create them bodies of the planets inhabitants. They just have to act as ambassadors of Earth to these foreign life forms. What could possibly go wrong.

When Twilight feels a powerful pull on her heart she follows it, and the rest of the Mane six follows her.
When they arrive at a magic circle they are all teleported to earth straight into one unsuspecting soldier's barracks room.
Equestria is in danger from a force unlike any they have fought before. They must gain allies if they want Equestria to survive the coming onslaught