Adam is always sighing "Buffy, Buffy, Buffy" because he thinks we're sad for being such fans so this is for him:

ETA: This video has been removed from YouTube because it is quite obvious that something clever like this was a threat to DVD sales or whatever. Stupid stupid attitude by TPTB.

ETA: Hooray! I have found the original at the originator's website. He is Chuck Jones (obviously not that one) whose other work can be found at Thanks Chuck.