Considering that Library Collections only support Movies or TV Shows, Playlists are sort of the collection type for individual episodes or recordings.
Some cases:
- All of the holiday episodes of Friends
- All of the Treehouse of Horror episodes of The Simpsons
- A playlist to keep track of movies you want to watch next
- Using a Smart Rule, listing every favorited episode in your library.
I'd love to hear how others might be using it too.
They don't necessarily have to be for consuming in a single session. They can be a long running list that you track for weeks. For example, whenever there's a movie you def want to watch, add it to your Watch Next playlist, for later. Features like Playlists are open ended and available to be used any creative way someone wants, so they can be very personal.