"I am not sure what a portal is," Bilbo admitted. He hadn't been in Madison Valley long enough to have experienced a portal. All he knew was that Madison Valley was a very strange place. With all the technology and the vehicles and these... Pokemon. Pichu was quite possibly the least strange thing he had encountered, honestly.
"Do things like that happen a lot?" he asked the girl. He knew he was asking the girl a lot of questions, but she seemed to know more than he did about these matters.
He would readily stop asking so many questions if she seemed irritated by them. He didn't want to irritate her.