Universe 1: The One Where Pineapples are Inedible
Warning: Do not try this at home. In this universe, pineapples are not only toxic, but also sentient and will kill you with their gaze.
Universe 2: The One Where Cats Rule Supreme
Cats have evolved into giant, talking, laser-wielding overlords. They will enslave humanity and force you to watch an endless loop of cat videos.