That's a good example. Another is Beavis and Butthead. My understanding is that when the shows originally aired they were relying on MTV's rights to air the vid

That's a good example. Another is Beavis and Butthead. My understanding is that when the shows originally aired they were relying on MTV's rights to air the videos featured in the episodes. So now any episodes (streaming or disc) only show the fully animated segments, and not the interludes where the two are sitting on the couch. Sadly, those are some of the best moments of the show...