Science to the rescue

[Professor Walsh]

(In case you cannot see the picture: It is a Perscheid comic where a vampier spontaneously dusts as he is alerted to the fact that a moonbeam is in fact reflected sunlight.)

 

[WillowFromBuffy]

Buffyverse vampires only burn in direct sunlight.

 

[ILLYRIAN]

To the makers of the show common sense and logics were often ignored, but that was good, it gave us plenty to chat about.