"So you're like a DeLorean without enough plutonium?"

"I don't understand that reference."

I have the TV turned up loud enough I don't hear my mom enter the room, so I jump when she says, "It's from Back to the Future."

"He can't hear you, Mom," I start to say, but I'm interrupted by a deep voice.

"Thank you," Castiel says, having materialized in my living room.

I fall off the couch.