Taking place during their sleepover, Zipp takes it too far and scares off Misty, only here, Izzy takes this as the last straw, showing everypony else all of her pent up emotions, shocking them.
Izzy takes it upon herself to cheer up Sprout and make him feel welcome and wanted again. Sprout isn't in the mood, still distrustful of pegasi and unicorns. But Izzy isn't the type of pony who takes "No" for an answer.
Hitch is curious why mayonnaise is taboo, especially now that the other words are not. There's only one pony he can turn to for answers, but can he really trust Izzy isn't embellishing the details? I mean, mayonnaise volcano is hyperbole... right?
Sunny and Izzy go on a quest for answers: for the missing links in their personal stories, and for the lost history of ancient Equestria. Invariably, many twists and turns await them - but they'll be fine as long as they have each other, right?
Sunny's an alicorn now, living with a new unicorn roommate, and wondering why Izzy's so unique and why Izzy keeps saying weird things like, "I love you."
Sunny and Co.'s quest to reunite the pony races may have ended in success, but if anything, her journey filled her notebook with even more questions to ask Izzy. Some far more important than others, hurriedly written down and circled repeatedly.
A cynical brony watched the new G5 movie and shockingly hates it, especially the main protagonist. But next thing he knows, he finds himself inside the film himself, right at the start. As guess which despised character? The clue's in the title...