One episode (I'm thinking a Godzilla movie) the episode kicked off with Tom and Crow arguing about mac versus PC. Joel whispers conspiratorially at the camera that it is just a "matter of personal nuance" as to which OS is better and tries to inject a little variation in the argument and says "Say...has anyone seen the mouse for my Amiga?" - at which both Crow and Servo begin to laugh derisively

Another showed a blockhouse with a yellow stripe near the vision slit and one of 'em quipped "Hey, it's a giant video toaster"
Finally, one featured a P-in-P type shot which servo attributed to "The magic of the Video Toaster"...