What? There can't be a beach scene with gals in Bikini's for a, sort of "Surf City" theme?
And Dipper could be buried in the sand, for example; Star could be having this look of dismay (like: "How did Bobby talk you into that?" look) and Birch... well he could still be playing Volleyball with the babe's :-)
What? There can't be a beach scene with gals in Bikini's for a, sort of "Surf City" theme? And Dip