[Charlie, you're a moron. As this is an understood constant of this universe, House skips mentioning it for the time being and just gives his tablet a Look. One that Charlie can't see given that House is using audio, but the Look is there in spirit in the brief silence.]

To test something. Maybe their fancy new gizmo that brings people here from other universes? They clearly screwed that up considering they've got all these anomalies, too.