Steve and Shivani see the Royal Academy of Arts, where they discuss high-tech ultraviolet hand driers and paper airplanes.

S1E12 - Green Park?

Steve and Shivani used to talk about mundane, everyday things like cats, the weather, or quantum mechanics. But now, they've turned their attention to far more interesting and cultured affairs: Publicly accessible restrooms. They used to visit a different toilet every week and discuss their experiences, but that got boring, so now they're just talking about whatever weird and wonderful toilet stuff they can come up with.