The glamorous unicorn Opalescence is haunted by bizarre recurring dreams of a world in which she and her friends are all animals. But as vivid as these dreams are, surely they're just dreams, right? There couldn't actually be a parallel universe somewhere where they're little more than pets ... right?

Sweetie Belle pulls a prank on Rarity, but a good laugh is not the only thing that she wants.

An experiment gone right has successfully left Rainbow Dash's rainbow mane in Twilight's vial. But when Pinkie stops by for a visit and mistakes the rainbow for a drink, she decides that all of her friends must try this amazing creation.

How can this go wrong?

Side effects, of course.

"Like two peas in a pod we did everything together!" sang Twilight in the season finale. But what if she was letting on more than everyone else knew? What if Twilight really was a pea?

Pinkie Pie learns a new word that starts with 'F' and ends with 'K'. No, it's not firetruck.

How will she use this new word? Let's find out.