 In the scene where Caligula, Caesonia, and Drusilla have sex, the    movie includes inserts of a lesbian tryst that was one of the    extra scenes shot by Bob Guccione. This footage replaces shots    that made this scene necessary for the plot (the original concept    had the palace informers looking through the peephole, thus    explaining the closeups of the moon face in the bedroom), as well    as a different lesbian act featuring the ladies