[Birdy appears behind him and peers past him to get a look at what everyone else is looking at. More of the same.]

Considering these are all over the place, I'm going to go out on a limb and say somebody upstairs wasn't just clumsy and spilled it, though.

[Morgan visibly jumped when the Master first stepped into view, and is looking at Birdy much with the same 'don't do that' expression. Birdy wiggles her fingers at her.] Boogabooga.