The Ancient starship Destiny arrives in Equestria's galaxy, as the ponies uncover the truth about the Stargate. (Stargate: Universe Crossover)

When a catastrophic attack on Equestria wipes out the entirety of the nation’s leadership, the only one left to lead the nation of ponies is Princess Apple Bloom of Ponyville, The Princess of Last Resort. (Inspired by Designated Survivor)

When half of all life in Equestria mysteriously disappears, Twilight and her last remaining friends go on a quest into deep space to answer one question: Why? (Crossover with the Marvel Cinematic Universe)

Rainbow Dash has a secret, hidden for generations; a secret she never dared tell anyone. She can communicate with the dead. Now, things have changed, the secret's come out, so she help her best friend say goodbye. (Inspired by Through Violet Eyes)

Spike gets himself in a pickle, when he falls in love with two ponies at the same time. The worst part? They're sisters.

Spike is stuck between two worlds. In one world, his best friend died, and in the other, the love of his life died. And he can't tell which one is real, and which one is the dream. (Inspired by Awake, the 2012 TV show)