It is an incredibly ridiculous situation, but it is made better by the fact that Farzan is aware of Milliways. It makes the 'malfunctioning magical bar' easier (somewhat, anyway) to explain.

"Yeah. You've got that much right." Carl nods. "Thing is, I didn't plan on ending up here. It shouldn't even be possible without Trudy being the one to open the door out of the Bar, but things are...something is happening, at Milliways. Almost like it's malfunctioning, or something. I was stepping out into what I thought was Africa, and ran smack," he waves at his head, to indicate the faint red mark beside his left eye, from hitting the shelf. "Into one of your supply closets. With no door behind me. It was like I got dropped here by mistake."