At the cinema, the trio were given some thingamajigs from Phyllis, and they scanned them as the lady spoke. "These thingamajigs will let you see previews "As to why I'm letting you use them, well, I thought you'd like a heads up to potential dimensions."
Penn, Boone and Sashi pressed the sole button in their gadgets in unison and were instantly teleported to other dimensions: Penn was taken to a dimension filled with chicken centaurs, Sashi was taken to a dimension where everything was the same except for herself being a pacifist, and Boone was taken to a dimension of Boones.
About a couple seconds later, the trio returned with utterly traumatized looks in their faces. "So, what do you think?" Phyllis nonchalantly asked.
The trio blinked twice before giving the lady a proper answer. "We'll keep them," Boone answered.
"But what we saw in those dimensions-" Penn added.
"-Stays in those dimensions," Sashi finished.