WuMo by Wulff & Morgenthaler for January 16, 2017
January 15, 2017
January 17, 2017
Transcript:
When Pavlov was out of the room You know, this poor guy seems to be lonely and really need this thing. To bring him some happiness, how about from now on we just salivate whenever he rings his little bell?
Probably how it happened.