This story is a sequel to So, Shall We Start the Experiment?
It's spring break and the girls are ready for a spring tour, but Flash Sentry's been feeling left out, wanting an adventure with the girls just once. As fate would have it, Princess Twilight Sparkle returns! But… she brought a few surprise guests along with her.
For Equestria Girls: set after Mirror Magic, and a year before Spring Breakdown. For Transformers: set WAY after Transformers: The Last Knight.