When the evil Storm King returns, Twilight and the Princesses summon a hero who will help them in their time of need... instead they get SpongeBob and his friends.

Fluttershy, after being sucked into a mysterious portal and transformed, finds herself in a world where humans try to survive in the shadows of giants.

The Nightmare Forces are back, and this time, they've taken their campaign to another world; a world of titans.

While mourning the loss of her mother, Madison Russell receives a visit from an energetic mermaid from another world who helps her through her four-year grief.

A young mermaid goes on a journey above the surface to understand the cause of her people's exile, unaware of the perils that await her.

(Alternate Korra season 2) When Avatar Korra discovers a portal, she finds herself in a battle fought by two other worlds against a relentless enemy.

"Can you hear them? All these ponies who have lived in terror of you? All their ancestors who you cost of their princess of the night? Can you hear them singing?" IDW Issues 5-8 Alternate ending

Deep beneath the seas, a leviathan is visited in his dreams by a mysterious human woman. Who is this woman? Oneshot