Klingons...

The very mention of their name calls to mind images of war, brutality, and an insatiable lust for violence. But underneath it all, there is a strict sense of honor and purpose, which very rarely people see, and even more rarely, the Klingons themselves realize the true meaning of...

Stardate: 2269.213
Enter Kor'tokh, a disgruntled security officer working aboard a patrol ship who longs to see combat during a long ceasefire. After a transporter malfunction during an ambush by Romulan insurgents, Kor'tokh finds himself in Equestria, a world that has known only peace and harmony for millennia, only interrupted very occasionally. With his ship and fellow crewmates missing, and with him under the supervision of the ponies, Kor'tokh will need to adapt in order to escape, and maybe even learn the true meaning of honor in the process...

This won't end well...

Takes place from early Season 2 and onwards.